Category Archives: politics

Eight ways to not fix the tower of Pisa, and one that worked.

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You may know that engineers recently succeed in decreasing the tilt of the “leaning” tower of Pizza by about 1.5°, changing it from about 5.5° to about to precisely 3.98° today –high precision given that the angle varies with the season. But you may not know how that there were at least eight other engineering attempts, and most of these did nothing or made things worse. Neither is it 100% clear that current solution didn’t make things worse. What follows is my effort to learn from the failures and successes, and to speculate on the future. The original-tilted tower is something of an engineering marvel, a highly tilted, stone on stone building that has outlasted earthquakes and weathering that toppled many younger buildings that were built straight vertical, most recently the 1989 collapse of the tower of Pavia. Part of any analysis, must also speak to why this tower survived so long when others failed.

First some basics. The tower of Pisa is an 8 story bell tower for the cathedral next door. It was likely designed by engineer Bonanno Pisano who started construction in 1173. We think it’s Pisano, because he put his name on an inscription on the base, “I, who without doubt have erected this marvelous work that is above all others, am the citizen of Pisa by the name of Bonanno.” Not so humble then, more humble when the tower started to lean, I suspect. The outer diameter at the base is 15.5 m and the weight of the finished tower is 14.7 million kg, 144 million Nt. The pressure exerted on the soil is 0.76 MPa (110 psi). By basic civil engineering, it should stand straight like the walls of the cathedral.

Bonanno’s marvelous work started to sink into the soil of Pisa almost immediately, though. Then it began to tilt. The name Pisa, in Greek, means swamp, and construction, it seems, was not quite on soil, but mud. When construction began the base was likely some 2.5 m (8 feet) above sea level. While a foundation of clay, sand and sea-shells could likely have withstood the weight of the tower, the mud below could not. Pisano added length to the south columns to keep the floors somewhat level, but after three floors were complete, and the tilt continued, he stopped construction. What to do now? What would you do?

If it were me, I’d consider widening the base to distribute the force better, and perhaps add weight to the north side. Instead, Pisano gave up. He completed the third level and went to do other things. The tower stood this way for 99 years, a three-floor, non-functional stub. 

About 1272, another engineer, Giovanni di Simone, was charged with fixing the situation. His was the first fix, and it sort-of worked. He strengthened the stonework of the three original floors, widened the base so it wold distribute pressure better, and buried the base too. He then added three more floors. The tower still leaned, but not as fast. De Simone made the south-side columns slightly taller than the north to hide the tilt and allow the floors to be sort-of level. A final two stories were added about 1372, and then the first of the bells. The tower looked as it does today when Gallileo did his famous experiments, dropping balls of different size from the south of the 7th floor between 1589 and 1592.

Fortunately for the construction, the world was getting colder and the water table was dropping. While dry soil is stronger than wet, wet soil is more plastic. I suspect it was the wet soil that helped the tower survive earthquakes that toppled other, straight towers. It seems that the tilt not only slowed during this period but briefly reversed, perhaps because of the shift in center of mass, or because of changes in the sea level. Shown below is 1800 years of gauge-based sea-level measurements. Other measures give different sea-level histories, but it seems clear that man-made climate change is not the primary cause. Sea levels would continue to fall till about 1750. By 1820 the tilt had resumed and had reached 4.5°.

Sea level height history as measured by land gauges. Because of climate change (non man-made) the sea levels rise and fall. This seems to have affected the tilt of the tower. Other measures of water table height give slightly different histories, but still the sense that man change is not the main effect.

The 2nd attempt was begun in 1838. Architect, Alessandro Della Gherardesca got permission to dig around the base at the north to show off the carvings and help right the tower. Unfortunately, the tower base had sunk below the water table. Further, it seems the dirt at the base was helping keep the tower from falling. As Della Gherardesca‘s crew dug, water came spurting out of the ground and the tower tilted another few inches south. The dig was stopped and filled in, but he dig uncovered the Pisano inscription, mentioned above. What would you do now? I might go away, and that’s what was done.

The next attempt to fix the tower (fix 3) was by that self-proclaimed engineering genius, Benito Mussolini. In 1934. Mussolini had his engineers pump some 200 tons of concrete into the south of the tower base hoping to push the tower vertical and stabilize it. The result was that the tower lurched another few inches south. The project was stopped. An engineering lesson: liquids don’t make for good foundations, even when it’s liquid concrete. An unfortunate part of the lesson is that years later engineers would try to fix the tower by pumping water beneath the north end. But that’s getting ahead of myself. Perhaps Mussolini should have made tests on a model before working on the historic tower. Ditto for the more recent version.

On March 18, 1989 the Civic Tower of Pavia started shedding bricks for no obvious reason. This was a vertical tower of the same age and approximate height as the Pisa tower. It collapsed killing four people and injuring 15. No official cause has been reported. I’m going to speculate that the cause was mechanical fatigue and crumbling of the sort that I’ve noticed on the chimney of my own house. Small vibrations of the chimney cause bits of brick to be ejected. If I don’t fix it soon, my chimney will collapse. The wet soils of Pisa may have reduced the vibration damage, or perhaps the stones of Pisa were more elastic. I’ve noticed brick and stone flaking on many prominent buildings, particularly at joins in the chimney.

John Burland’s team cam up with many of the fixes here. They are all science-based, but most of the fixes made things worse.

In 1990, a committee of science and engineering experts was formed to decide upon a fix for the tower of Pisa. It was headed by Professor John Burland, CBE, DSc(Eng), FREng, FRS, NAE, FIC, FCGI. He was, at the time, chair of soil mechanics at the Imperial College, London, and had worked with Ove, Arup, and Partners. He had written many, well regarded articles, and had headed the geological aspects of the design of the Queen Elizabeth II conference center. He was, in a word, an expert, but this tower was different, in part because it was an, already standing, stone-on stone tower that the city wished should remain tilted. The tower was closed to visitors along with all businesses to the south. The bells were removed as well. This was a safety measure, and I don’t count it as a fix. It bought time to decide on a solution. This took two years of deliberation and meetings

In 1992, the committee agreed to fix no 4. The tower was braced with plastic-covered, steel cables that were attached around the second and third floors, with the cables running about 5° from the horizontal to anchor points several hundred meters to the north. The fix was horribly ugly, and messed with traffic. Perhaps the tilt was slowed, it was not stopped.

In 1993, fix number 5. This was the most exciting engineering solution to date: 600 tons of lead ingots were stacked around the base, and water was pumped beneath the north side. This was the reverse of the Mussolini’s failed solution, and the hope was that the tower would tilt north into the now-soggy soil. Unfortunately, the tower tilted further south. One of the columns cracked too, and this attempt was stopped. They were science experts, and it’s not clear why the solution didn’t work. My guess is that they pumped in the water too fast. This is likely the solution I would have proposed, though I hope I would have tested it with a scale model and would have pumped slower. Whatever. Another solution was proposed, this one even more exotic than the last.

For fix number 6, 1995, the team of experts, still overseen by Burland, decided to move the cables and add additional tension. The cables would run straight down from anchors in the base of the north side of the tower to ten underground steel anchors that were to be installed 40 meters below ground level. This would have been an invisible solution, but the anchor depth was well into the water table. So, to anchor the ground anchors, Burland’s team had liquid nitrogen injected into the ground beneath the tower, on the north side where the ground anchors were to go. What Burland did not seem to have realized is that water expands when it freezes, and if you freeze 40 meters of water the length change is significant. On the night of September 7, 1995, the tower lurched southwards by more than it had done in the entire previous year.  The team was summoned for an emergency meeting and the liquid nitrogen anchor plan was abandoned.

Tower with the two sets of lead ingots, 900 tons total, about the north side of the base. The weight of the tower is 14,700 tons.

Fix number 7: Another 300 tons of lead ingots were added to the north side as a temporary, simple fix. The fix seems to have worked stabilizing things while another approach was developed.

Fix number 8: In order to allow the removal of the ugly lead bricks another set of engineers were brought on, Roberto Cela and Michele Jamiolkowski. Using helical drills, they had holes drilled at an angle beneath the north side of the tower. Using hoses, they removed a gallon or two of dirt per day for eleven years. The effect of the lead and the dirt removal was to reduce the angle of the tower to 4.5°, the angle that had been measured in 1820. At this point the lead could be removed and tourists were allowed to re-enter. Even after the lead was removed, the angle continued to subside north. It’s now claimed to be 3.98°, and stable. This is remarkable precision for a curved tower whose tilt changes with the seasons. (An engineering joke: How may engineers does it take to change a lightbulb? 1.02).

The bells were replaced and all seemed good, but there was still the worry that the tower would start tilting again. Since water was clearly part of the problem, the British soils expert, Burland came up with fix number 9. He had a series of drainage tunnels built to keep the water from coming back. My worry is that this water removal will leave the tower vulnerable to earthquake and shedding damage, like with the Pavia tower and my chimney. We’ll have to wait for the next earthquake or windstorm to tell for sure. So far, this fix has done no harm.

Robert Buxbaum, October 9, 2020. It’s nice to learn from other folks mistakes, and embarrassments, as well as from their successes. It’s also nice to see how science really works, not with great experts providing the brilliant solution, but slowly, like stumbling in the dark. I see this with COVID-19.

Great mistakes: Sultan Mohammed II steals from a Mongol

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There are small errors and great mistakes. I’d previously written about the mistakes that caused Britain to lose America — e.g. General Tarleton burning churches because he thought the sermons were anti monarchist. They were, but if he thought they were anti monarchist before burning the church, they were far more so after… He’d misjudged the American character, something that I think the Democrats are doing today with BLM. Another example was the British attack on Bunker Hill. They spent the lives of 600 soldiers, won a hill they didn’t need, and lost the colony. It’s a mistake we would make reputedly in Vietnam.

Another one of the larger of mistakes of history – and one that changed hsotry massively was made by Mohammad II, ruler of Persia and eastern Islam, from Turkey to Kazakhstan, Uzbekistan, and Afghanistan. He had an army of 100,000 and ruled from the walled city of Samarkand. Mohammed’s uncle, Inalchuq, served as a governor in Kazakhstan. With an army of 40-50,000, he ruled from the walled city of Otrar. A Mongol leader named Temujin contacted them asking to trade. Mohammed II ignored the request, but his uncle accepted it. Temujin ruled a poor, distant community of perhaps 100,000, and boasted a motley horse army of perhaps 10,000. But, what Mohammad II didn’t appreciate, was that these Mongol horsemen were uncommonly warlike, and that Temujin, also known as Genghis Kahn, was an uncommonly talented leader.

Gate of the mighty, walled city of Otrar. It’s now a ghost town.

Temujin was not someone to insult. He had laid waste to northern China, and defeated an army of over 1 million, because of an insult. The Chinese emperor had demanded Temujin come to Peking with a grift, then bow low and pledge allegiance. That is he wanted Temujin ,to Kowtow, a request that emperors had made to every tribal leader for centuries, but Temujin took it as an insult. He defeated the Chinese army and killed a good fraction of China’s population. Using methods that are discussed in Mongol literature, but are almost unknown in the west, or highly perverted, as in Mulan. I’ve written in speculation of one aspect of Mongol success here. Another aspect was psychological: Genghis Kahn was able to co-opt the Chinese army, and get them to fight for him. It’s a useful skill.

Now Temujin, Genghis Kahn, was writing to the leaders of eastern Islam asking to trade along the silk road. Inalchuq offered safe passage, and in 1218, the first trade caravan arrived with 100 laden camels and 450 men including an ambassador. Inalchuq did what sultans before him had done: He executed most of the men, sold the rest as slaves, and took the goods, selling them in markets of Bukhara. Mohammed II and his uncle were sure that Temujin would do nothing, he was 2000 miles away, but Temujin sent another peace delegation. This time 3 men direct to Mohmmed II asking for his goods back and for the punishment of those responsible. Mohammad II killed the lead ambassador, blinded one of the others, and had the face of the third disfigured. A year later, 1219, Genghis Kahn showed up in Otrar with siege engines.

Otrar held out for 5 months, falling when a traitor opened the gates and defected with part of the army. The Mongols took the city and let most people live, though he killed Inalchq and his army, as well as the defectors.. Genghis Kahn figured he could not trust a soldier who defects this way. Inalchq was killed by having molten silver poured into his eyes and ears.

Death of Sultan Mohammed II, Picture from the History of Rashad Al-Din.

Genghis then went after Mohammed II, but first defeated the Assassin sect. Mohammed had the sense to run. It didn’t save him, but it did buy him some years of life. When caught, Genghis locked him in a prison fed him gold coins. He is supposed to have explained that, had Mohammad II not hoarded gold, but shared it with his soldiers, they would have fought for him as Genghis’s soldiers had. It’s not a message we like to hear today because it’s practical, but not very charitable. Then again, Genghis Kahn was nothing if not practical.

The Mongols brought many innovations: paper, stirrups, the blast furnace, the number zero, “islamic numerals” (they’re really Mongol /Tibetan numerals), the compass, the printing press, the triangular plow, gun powder, and a new way in war (The Germans called it ‘Blitz Kreig’). I find that schools don’t teach much about Genghis Kahn or our debt to the Mongols, nor do they properly contextualize these innovations as means for a small nation to dominate many larger ones. Perhaps that’s because we find the whole idea of management disturbing, or it’s embarrassing. Western scholars used to write like we invented these things. There are several histories of the Mongols, one was written by Rashid Al-Din (Aladin), vizier over all Persia, the person responsible for renaming it Iran. He wrote an illustrated history of the world, particularly of the Mongols, called Jāmiʿ al-Tawārīkh (“Compendium of Chronicles”). I suspect it would be worthwhile reading but like much of Mongol literature, it is not available in any local library, nor is it referred to by most histories. Another Mongol history, also not available in libraries, is called the Secret History of the Mongols. This was likely written for and by Genghis’s third son, Ogedei, to describe for his children and grandchildren the true story of the early years, the conquests, his father’s and his management methods (some fairly brutal) and as a review of what Ogedei thought worked and what did not. It sounds like an honest book, worthwhile book — the sort modern readers would rather forget exists.

Rashid Al-Din (Aladin), Vizier of Persia. He renamed Persia Iran, and wrote a history of the world from the Mongol perspective. Known as a fictional character, or not at all today.

In general, I find our scholars would like to ignore the more unpleasant lessons of history, including that family matters, and that people like honor over kowtowing, and that they get surly if they’re not rewarded,. Much of our society is built by warriors for the purpose of destruction, as in this engineering joke. We are now in the process of destroying statues of warriors because we find they were often non-nice people who often did not-nice things, or held not-nice views. That’s the way it is with warriors, especially the successful ones. While I’m not a fan of having statues to bums, I think that ignoring successful warriors is worse than honoring them. I discuss the dilemma of military statues here. Without statues to important wars and warriors, modern leaders might repeat the mistake of Mohammed II, or Bunker hill , or of Mohammed IV, or of the Chinese emperor.

Robert Buxbaum, September 20, 2020. I’ve come to wonder if Mohammed II would have fared better if he didn’t steal from the Mongols. He would likely have put off the attack as he learned more about them, and they learned more about him. When the war came, as likely it would, he might have had gun powder, paper, the compass, and the stirrup. Then again, war might have come immediately. The proud Polish officers who collaborated/ surrendered to the Soviet Russians, were quickly murdered in the Katyn forest.

Greenland is warm, and I’m not sure that’s bad

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I got the graph below from a global warming blog called “factcheck.” The blue line on the graph below shows Greenland temperatures, constructed by Vinther et al. (2009) using data from six ice cores smooth to 20 year steps. The black line at the right are observed temperatures from Berkeley Earth, with a 20-year smooth applied. To make the graph, the observed temperatures, and ice temperatures were aligned over the 1880-1960 period. According to many this shows a disaster that we caused, and that we must reverse by stopping US industry. I’m not so sure.

It is seen that theGreeland temperature has risen 1.5°C over the last century, or 4°C since 1710. The first issue is that the rise since 1710 to 1810 is rather substantial, about 1.3°C and the level of world industrialization was a lot less, but more importantly, when I look at this curve, the part that worries me is not the spike at the right, but the bit at the left. I’m far more comfortable with another degree or three of Greenland heating, than I am with an ice age and the 50°C drop that entails.

As for stopping US industry to cure the rise, that too seems like a bad idea since most of the carbon dioxide comes not from us, but from China, with quite a bit from India. If we stop our poroduction, we merely hurt ourselves while moving production, and CO2 to China. I suspect that those behind this are Chinaphiles — Sinophiles.

Robert Buxbaum July 28, 2020

Pre-Columbus America, slavery and cannibalism.

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We’re still in the midst of a frenzy of statue removals, and among the most popular to remove is Columbus. The City of Columbus Ohio just removed theirs, and Detroit soon followed. What Columbus is accused of is colonialism, bringing evil western values and western religion to the peaceful Indians. At least that’s the legend being told these days.

The war god, Huitzilopochti, son of the sun, seated at right, required thousands of human sacrifices to keep the sun from going out. Columbus claims that many Indians preferred Christianity to his worship.

According to Columbus and his followers, the Indians of 1492 included some who were peaceful, and others who were murderous cannibals. According to Columbus, the less-violent of the Indians willingly accepted Christianity, or a sort, considering it better than the human sacrifice they were used to.

Mask for Tezcatlipoca, god of the night and sorcery, secondary son of the sun, brother of Huitzilopochtli.

Columbus described people being roasted and eaten with pineapple. Some of Columbus’s crew who were captured, claim they, were fattened for eating, and that others were eaten. That also is the story of Captain Cook, who appears to have been cooked and eaten in 1791, and of Michael Rockefeller, eaten by cannibals in New Guinea in 1961. Some customs die hard.

The natives of Mexico of the time are known to have practiced slavery and human sacrifice, killing thousands of young men and women each year to a wide variety of gods. For Huitzilopochtli, the war-god, son of the sun, Mexican priests cut out the still -beating hearts of adult male slaves, and ate them. This was done to prevent the sun from going out. On flat rocks they same Mexican Indians sacrificed to his brother, Tezcatlipoca, the god of the night and of sorcery. Though Texcatlipoca was slightly less powerful, he was more personally useful. The sacrifice to Tezcatlipoca is reminiscent of the attempted sacrifice of John Smith of the Virginia colony. According to testimony, in 1607, Smith was captured while hunting, kept in captivity for a few days, and was going to be sacrificed on a flat rock until saved by Pocahontas, the chief’s daughter. Later Pocahontas converted to Christianity, travelled to England, and was presented to King James I.

Pocahontas, renamed Rebecca, in 1616.

Related to the story of John Smith of the Virginia colony, is the landing of John Smith of the Massachussetts colony. The reason they settled on that spot in Plymouth bay, was that, when they landed there in 1620, the land was already cleared, but empty. Apparently, there had been a farming Indian tribe who had cleared the land, but had been recently killed off or enslaved by the local Iroquois. The Iroquois practiced slavery against their fellow Indians well before the arrival of the first African slaves in 1619. According to Frederic Douglas in 1870, the Indians treated their slaves better than the white settlers did, but he was writing 150 years later. The peaceful Indian, Squanto who helped the Massachusetts colony had been captured and brought to England in 1609 and brought back to the Americas by the John Smith of the Virginia colony. Squanto lived as a free man among the pilgrims. Squanto helped negotiate a peace treaty for the colony with the Wampanoags against the Narragansett. This treaty was settled at the first Thanksgiving, and lasted for the life of the Wampanoags Chief.

Returning to the Gods of the Mexicans, Tlaloc, the rain god, was responsible for fertility and agriculture. He required the sacrifice of children. There was also a corn god, Centeotl, I think Steven King has a story about his worship, it involved a corn sacrifice, plus spilling your own blood and killing a young woman and using her skin as a mask. There was also the feathered serpent god, Quetzalcoatl, god of love, knowledge, and intoxicating drink. She required the sacrifice of a mix of men, women, and children, plus ingestion of intoxicating substances. Columbus claimed that many Indians willingly changed religion to Christianity and away from the worship of these deities, a claim that modern liberals find ludicrous, but that I find believable. I think modern liberals imagine themselves as the priests of these religions, or perhaps nobles, but they do not see it, as I do, from the perspective of the unwilling sacrifices.

The folks behind the removal of Columbus statues and behind defunding the police would like to use the money for education about the noble pre-Columbian peoples. They would like to focus on the pyramids and on the large, flat sacrificial stones, without spending too much time on what the pyramids and stones were used for.

Chief Tammany signed a peace treaty with William Pitt in 1683. His grandson converted to Moravian (Protestant?) Christianity. He is considered a model of good will and good government.

The fate of the Indians varied. Some converted to Christianity, some did not. Some tribes integrated well into the new society, many did not. Among the most famous who converted and integrated well, we find Chief Tammany of the Turtle clan of the Delaware Indians. He signed a peace treaty with William Penn, 1683, and his tribe seems to have lived in peace with the settlers for 70 years at least and married into the most prominent families of the area. The Turkey of the same tribe did not fare so well, They sided with the French and warred against the English settlers, and suffered with the French defeat. Western involvement was not always good or fair to the Indians, but that is not inherently Columbus’s fault. Columbus did a service, I think, opening up the new world, and providing an alternative religion to natives who were rescued from human sacrifice. I believe western civilization is a boon to the world by the very balance of order and freedom that some find troubling. The Jewish Bible is strongly against tightly ordered religions with human sacrifice. Christianity is a big improvement, IMHO.

Robert Buxbaum. July 27, 2020

Hamilton and his slave-trading father in law.

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Philip Schuyler as a Major General in the Revolution. His statue was removed.

What most folks know about Alexander Hamilton’s father in law, Philip Schuyler, is that he was “loaded”, that he had three daughters, and that he quickly took to young Alexander. But an important fact varnished over is that Schuyler made his money in the slave trade, a trade that Hamilton was likely in when he met the young Schuyler daughters. Schuyler was also a slave owner, owning 13 slaves, by his record, and perhaps another 17 indentured servants working at two mansions. So far, only the Philip Schyler statue has been taken down. It seems possible that many monuments to Hamilton may follow.

Statue of Alexander Hamilton, proudly stands in front of Columbia University. The ten dollar founding father.

The play “Hamilton” proclaims Hamilton’s genius and exceptional work ethic, mentioning that, at the young age of 14 (more likely 16) he was left in charge of a trading company. This was for 5 months in 1771, while the owner was over seas doing business. Hamilton knew the business well; he’d been hired as a clerk at 11 at Beekman and Cruger, a similar import-export trading firm. What items did these firms trade — cotton, sugar, rum, and most profitable slaves. This likely was the business that kept the owner overseas for 5 months while Alexander ran the shop. There are at least two notifications of slave ships entering the harbor with human good for sale. Among Hamilton’s likely jobs would have been fattening and oiling the goods for sale. Hamilton himself seems to have owned a slave-boy named Ajax who he inherited (briefly) from his mother, Rachel. His mother is listed on the tax records as white. She owned five saves at one time, suggesting she was not entirely impoverished. Hamilton’s father, though a failed businessman, was a Scottish Laird (a Lord). As for the court-mandated transfer of Ajax from Alexander, it was to his half-brother James because James was “Legitimate.”

I base Hamilton’s age on the Nevis-St Kitts record of his birth, January 11, 1755.”[1] The play takes as a fact Hamilton’s claim to have been born two years later, January 11, 1757. I trust the written records here, and imagine Hamilton wanted to present himself as a young genius, rather than as a bright, but older fellow. In 1772, at at age 17, Hamilton wrote a “fire and brimstone” description of a deadly hurricane, describing it as “divine rebuke to human vanity and pomposity.”[2] Between this, and his skill at trading, the community leaders collected money to send him to New York, but unlike the play’s description, it was not only for further education. The deal was that he continue trading for the firm,[3] and this is likely how he met his future father in law. “[4] 

Hercules Mulligan, a revolutionary tailor: He was a spy. According to the CIA, much of the work was through his black slave, Cato.

In New York, Hamilton met Schuyler and his daughters. It seems likely that he met the father first, likely as possible customer for the slave trade from the Caribbean, or perhaps as a customer for rum and sugar. A 1772 letter in Hamilton’s handwriting [4] asks for the purchase of “two or three poor boys” for plantation work, “bound in the most reasonable manner you can.” As in the play, Hamilton was friends with John Laurens, an abolitionist, and among his first lodgings was with Hercules Mulligan, a tailor’s apprentice. Hercules is presented as black in the play, but he was quite white (see picture) with a black slave, Cato. Cato ran most of the messages. According to the play, “I’m joining the rebellion cuz I know it’s my chance
To socially advance, Instead of sewin’ some pants, I’m taking my shot. No, Hercules was socially advanced ,married into the British Admiralty, even. He was a true believer in freedom and a slave-holder. His older brother, Hugh Mulligan, was one of the traders that Hamilton was supposed to work with.[5] As for Laurens and his anti-slavery organization, most of those in the organization owned slaves, and though they opposed slavery, they could never decide on when or how to end it. There is no evidence that Cato was ever set free.

The appointment to Washingtons staff was not likely a coincidence. The elder Schuyler was one of the four top generals appointed in 1775 to serve directly under Washington. Phillip oversaw, at a distance, the disastrous attack on Quebec and the victory at Saratoga– both, Burr served admirably. Phillip’s main role was as a quartermaster/supplier, and this is not a small role. Phillip Schuyler had been a quarter-master in the French and Indian war. It’s likely that it was Schuyler who got Hamilton his appointment to Washington’s staff.

Once on Washington’s staff, Hamilton served admirably. Originally serving as a secretary, Hamilton wrote many of Washington’s dispatches. Then, according to tradition, as a cannon commander, he took particular pleasure in the attack on Princeton University. He then served well as secretary of the Treasury, and as head of the Bank of The United States, the only major US bank until Burr opened the Bank of the Manhattan company. Despite his aversion to slavery, Hamilton also continued to deal in slaves. A 1796 cash book entry records Hamilton’s payment of $250 to his father-in-law for “2 Negro servants purchased by him for me.” This is only 3 years before 1799, when New York began to end slavery in the state with the Act for the Gradual Abolition of Slavery. Children of slaves born after July 4, 1799, were to be legally free, but required indentured servitude: to age 28 for males and 25 for females. Those born before July 4, 1799 became free in 1817. There is no evidence that Hamilton was a leader in any of this, but Burr, another slave-owning abolitionist, was a leader in the NY legislature at the time.

I’m with Burr.He was flawed, a slave-owning abolitionist, but vehimently against the Alien and Sedition Acts, a Hamiltonian horror.

It seems that Robert Morris introduced Hamilton to the importance of tariffs, and to the idea of using debt service as a backing to currency. It’s brilliant idea, but Hamilton understood it and took to it. Hamilton also understood the need for a coast guard to enforce the tariffs. As for Hamilton’s character, or Burr’s. Both, in my understanding, were imperfect people who did great deeds. I’ve already written that Hamilton was likely setting up Burr for murder, perhaps because of Burr’s vehement opposition to the Alien and Sedition Acts — That’s why Hamilton wore his glasses and fiddled with the gun so much. Burr was also gaining power through his Manhattan corporation and Tammany organization. both of which got his support among the immigrants.

My intent here is not to knock the image of Hamilton, Schuyler, Laurens and Mulligan, nor to raise that of Burr, but to correct some current fictions in the play “Hamilton”, and to fight a disease of our age, the cancel culture. The cancel culture elevates their heroes (Hamilton, Mulligan) to god-status. They will lie to cover the flaws of their heroes, and will lie also to claim a drop of black blood in them; neither Hamilton nor Mulligan were black and both owned slaves, as did Burr. The other side of the cancel culture is to cancel — to eliminate the validity — of the reactionaries, the non-revolutionary. In the play, these include Samuel Seebury and Aaron Burr. Great building is almost always the work of contradictory people. They need some talent, and a willingness to act, and because building requires a group, they have to work in a group, tolerating flaws of the others in the group. It is just these flawed, contradictory builders that are being cancelled, and I don’t think that’s right or healthy.

Robert Buxbaum, August 4, 2020.

Sweden v Michigan: different approaches, same outcome.

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Sweden has scientists; Michigan has scientists. Sweden’s scientists said to trust people to social distance and let the COVID-19 disease run its course. It was a highly controversial take, but Sweden didn’t close the schools, didn’t enforce masks, and let people social distance as they would. Michigan’s scientists said to wear masks and close everything, and the governor enforced just that. She closed the schools, the restaurants, the golf courses, and even the parks for a while. In Michigan you can not attend a baseball game, and you can be fined for not wearing a mask in public. The net result: Michigan and Sweden had almost the same death totals and rates, as the graphs below show. As of July 28, 2020: Sweden had 5,702 dead of COVID-19, Michigan had 6,402. That’s 13 more dead for a population that’s 20% smaller.

Sweden’s deaths pre day. There are 5,702 COVID dead since the start, out of a population of 10.63 million. There are 79,494 confirmed COVID cases, but likely a lot more infected.

Sweden and Michigan are equally industrial, with populations in a few dense cities and a rural back-country. Both banned large-scale use of hydroxy-chloroquine. Given the large difference in social distance laws, you’d expect a vastly different death rate, with Michigan’s, presumably lower, but there is hardly any difference at all, and it’s worthwhile to consider what we might learn from this.

Michigan’s deaths pre day. There are 6,426 COVID dead since the start, out of a population of 9.99 million. There are 88,025 confirmed COVID cases, but likely a lot more infected.

What I learn from this is not that social distance is unimportant, and not that hand washing and masks don’t work, but rather it seems to me that people are more likely to social distance if they themselves are in control of the rules. This is something I also notice comparing freezer economies to communist or controlled ones: people work harder when they have more of a say in what they do. Some call this self -exploitation, but it seems to be a universal lesson.

Both Sweden and the US began the epidemic with some moderate testing of a drug called hydroxychloroquine (HCQ)and both mostly stopped in April when the drug became a political football. President Trump recommended it based on studies in France and China, but the response was many publications showing the didn’t work and was even deadly. Virtually ever western country cut back use of the drug. Brazil’s scientists objected — see here where they claim that those studies were crooked. It seems that countries that continued to use the drug had fewer COVID deaths, see graph, but it’s hard to say. The Brazilians claim that the anti HCQ studies were politically motivated, but doctors in both Sweden and the US largely stopped prescribing the drug. This seems to have been a mistake.

US hospitals stopped using HCQ in early April almost as soon as Trump recommended it. Sweden did the same.

In July, Henry Ford hospitals published this large-scale study showing a strong benefit: for HCQ: out of 2,541 patients in six hospitals, the death rate for those treated with HCQ was 13%. For those not treated with HCQ, the death rate was more than double: 26.4%. It’s not clear that this is cause and effect. It’s suggestive, but there is room for unconscious bias in who got the drug. Similarly, last week, a Yale researcher this week used epidemiological evidence to say HCQ works. This might be proof, or not. Since epidemiology is not double-blind, there is more than common room for confounding variables. By and large the newspaper experts are unconvinced by epidemiology and say there is no real evidence of HCQ benefit. In Michigan and Sweden the politicians strongly recommend continuing their approaches, by and large avoiding HCQ. In Brazil, India and much of the mideast, HCQ is popular. The countries that use HCQ claim it works. The countries that don’t claim it does not. The countries with strict lock-down say that science shows this is what’s working. The countries without, claim they are right to go without. All claim SCIENCE to support their behaviors, and likely that’s faulty logic.

Hydroxychloroquine and COVID-19 fatality rates in different countries as of early June 2020. This isn’t enough to prove HCQ effectiveness, but it’s promising, and suggests that increased use is warranted, at least among those without heart problems.

Given my choice, I’d like to see more use of HCQ. I’m not sure it works, but I’m ,sure there’s enough evidence to put it into the top tier of testing. I’d also prefer the Sweden method, of nor enforced lockdown, or a very moderate lockdown, but I live I’m Michigan where the governor claims she knows science, and I’m willing to live within the governor’s lockdown.There is good, scientific evidence that, if you don’t you get fined or go to jail.

Robert Buxbaum, July 29, 2020. As I side issue, I think iodine hand wash is a good thing. I may be wrong, but here’s my case.

Package postage from China: 70¢ for 2 oz.

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The minimum US postage rate to send a 1 oz to 8 oz package across the street is $8.30. This is the price for any size package going in “zone 1”. That is, to a nearby, instate address. It costs more to send a package to nearby states or across the country, zones 2,3,4,5,6,7, 8 You don’t get shipping updates or delivery confirmation unless you pay more. By comparison the US post office charges no more than $1.50 to Chinese companies to deliver packages of up to 4.4 lbs (2 kg) and they get shipping and delivery confirmation thrown in free. The high US rates are, in part, because the post office is losing money to subsidize postage from China.

On the internet folks are amazed at how cheap things are shipped from China (I copied this post from this Forbes article)

US producers can not compete on the sale of small items, in part, because we subsidize the shipping costs. Go to Amazon or e-Bay and you can buy from China packaged items shipped by air for a total price of $1 or so. That includes the price of the item, the shipping cost, and some profit for Amazon or eBay. A US supplier could not sell this cheap even if it were a box of air. The low shipping costs result from a poorly negotiated postage deal of 2011 between us (Obama’s negotiator) and the Chinese. Until 2021, we are committed to deliver a package of 50g or less, (2 oz) for 5 Chinese Yuan, or 70¢ at the current exchange rate of 14¢/NCY. Additional ounces are billed at 35¢ up to 4.4 lbs; use the following table of prices and apply the dollar to CNY conversion. We threw in tracking services and an e-mail confirmation for free, in part because China was poor, and we were rich. Also, the deal was pushed by e-Bay and Amazon, two big supporters of Obama’s presidency.

US suppliers cannot compete.

Adding insult to injury, Obama raised the de minimis amount for billing tariffs from the normal $100 to $800 making almost all purchases from China duty free. Obama made some complaints about unfair trade, and about the counterfeits and knockoffs but no major enforcement. In 2012 and 2014, the Obama administration signed similar postage deals with Korea, Hong Kong, and the EU. The Germans applauded as it allows them to ship goods to the US for far less than the cost of us shipping to Germany. The US post office loses money on this and makes up for it by charging us more for domestic mail.

The Washington Post praised Obama on these deals claiming that they benefitted US customer and promoted democracy. Of course, the Washington Post is owned by Amazon’s main stock holder, Jeff Bezos– someone who benefits very much by the deal. He is among the relatively few people and organizations that own the media outlets. The Post loses money on newspaper sales but benefits the owners by the propaganda value of the stories, a situation also found with Al Jazeera and the emir of Qatar.

Trump has informed China that these special rates will end when the treaty runs out in January 1, 2021. A per-package ship fee will be $3.00 for a one ounce package, with 11¢ per additional once. This is less than the domestic rate, but far higher than the current 35¢ for 1 oz. I’d probably have raised their postage even more, but this is an election year, and Biden may well reverse any deal Trump signs.

Robert Buxbaum, July 14, 2020. Though I’m appalled by this postage deal, I just bought a 50 lb kayak from China, $99.99 including shipping. The prices are too low to pass up.

Who are the BLM vandals?

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There have been a dozen attempts to tear down the statue of Andrew Jackson outside the Whitehouse. Most of these appear to have been done by white people, supporters of “Black Lives Matter,” or BLM. BLM vandals were more successful destroying statues of Columbus, Lee, Washington, Jefferson, Roosevelt, Lincoln, Saint Louis, and Christian Heg, an anti-slavery activist of the 1800s, — he was a white guy. Graves are spray painted BLM, stores have been vandalized and looted, people have been killed, and at least one “cop free autonomous zone” set upin Seattle. No police allowed, no fire fighters allowed. At least one murder. Policing by a BLM warlord. So who are the BLM vandals running these activities, and who are their supporters?

Graves vandalized with Black Lives Matter, and with BLM Floyd. The vandals prepared, bringing spray paint to the cemetery, but there is no sense they were helping black people.

To my observation the BLM activist-vandal is not typically black, nor illiterate, nor disadvantaged; nor do they act in a fit of anger. The tools of destruction, bricks, spray paint, chains torches, and firebombs are brought home, often many miles away. Bricks are left in buckets are key locations for ready use in the demonstration. Many of the activists are white, often women, literate, liberal, socially secure, and self-satisfied. Two lawyers, one a Princeton graduate, were among those throwing firebombs in a Jewish section of Brooklyn, last week. They were acting for social justice in Palestine, they say. Another pair of bomb-throwers were two sisters white, from upstate NY who traveled to Brooklyn to throw a gasoline bomb into a police care with four officers. Her motivation, she says, social injustice — certainly not for the innocent policemen.

There is rarely any connection between the destruction and any positive help to black people nor is there any direct relationship to George Floyd, killed by cruel police. Why behead the statue of Columbus, or burn this statue of an elk? Even the fire-bombing lawyers had trouble explaining the relationship between their bombing of a police car in Brooklyn and the motivating causes, police brutality and ending the zionist presence in Palestine, for these particular two. So why burn a car, topple a statue, or loot a store, or burn an elk? As best I can tell, it’s because these things are big, available, and minimally guarded. If someone steps out to defend their property, the vandals leave, or snuck around to sucker-punch from behind, leaving quickly afterward, before the police get there.

The vandals do not act out of rage either, but with malice and fore-thought. It takes a lot of organization to show up with working fire-bombs, bricks, or with spray paint for that matter. Neither of these items is available at stores near the demonstrations. And taking down a statute requires more. The vandals bring strong ropes, chains, and cutting torches. Check out this video of an attempt on the Andrew Jackson statue, and note the organization of labor and that virtually everyone here is white.

Samantha Shader, traveled to Brooklyn with gasoline bombs and through one into a police car with 4 officers inside. None died. She’s not black, uneducated, or oppressed, Just bored, and angry.

Whether they succeed or not, the vandals are proud of their activities. They brag to the press and often post videos. Publicity is part of the motivation, but it sometimes leads to capture. Samantha Shader, throwing a gasoline bomb, was caught because of her own bragging video.

When caught, the BLM vandal immediately appeals for his or her rights, and is often bailed out by the politicians who claim to deplore violence. They blame the very folks they’d harmed too, and claim it was justice to destroy the statue, or the Jewish or black-owned store. The black store owner is an uncle Tom, the Jewish synagog a symbol of oppression, and they see themselves as white saviors, white knights and revolutionaries, destroying offensive symbols of other folks success. It’s only other people’s stuff that’s offensive to them, by the way. I’ve yet to see any of the BLM vandals destroy their own cars or homes.

As bad as the actual vandals are, in a sense the politicians who support them are worse, spurring them, then sitting judgement on the BLM wrongs. The politicians, liberal, often white women, praise the BLM vandal leaders, and help the raise money for them. They ascend the podium with the worst of the BLM vandal leaders, proclaiming, “We’re with you.” “You are right to be angry, and your cause just.” “We are inspired by you.” They say they are against violence, but they eagerly remove the statues that the BLM vandals spray painted — The statue of Columbus in front of Columbus city hall for example, They defund the police — their salaries, retirements, etc. — and give the money to BLM-run organizations. The Biden campaign does more and provides bail money. All this helps honest black people not at all, nor is it good for the cities, but it does provide good press for the politicians, and so far the support for BLM seems to make up for Biden’s habit of touching and sniffing girls’ hair. As for where the BLM money goes, we have little information, but this is what we know. Some will go back to the Democratic party via a BLM program called #WhatMatters2020. Some will go toward Black Liberation education. None is slated to help victims of BLM vandalism, black or white. And this is what passes for political accountability.

Columbus Ohio; Vandals spray paint the statue of Columbus in front of city hall, then the Mayor cleans the statue, and removes it. Which one is the bigger vandal? Do either help black people?

I imagine that I do more for black lives than what BLM does, by my efforts to provide clean water and better sewage, for example. Another thing we might do, if we thought black lives really mattered would be to change the laws that put black people behind bars for minor crimes, e.g. pot sales. Recreational pot use is legal in much of the US, but black people are emprissoned in large numbers, because the sale is illegal unless you have special licenses. and black people never can get the license to sell legally. I don’t think defunding the police is a road to help black people, certainly not when the money goes to Black Liberation education and statue removal. It seems that black lives don’t matter at all to either the BLM vandals, or the fire-bombers, or to the politicians,, and they never did.

Robert Buxbaum, July 6 2020.

If nothing sticks to teflon, how do you stick teflon to a pan? PFAS.

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When I was eight or nine year old, I went to the 1963-64 World’s Fair in New York. Among the attractions, in “the kitchen of the future”, I saw the first version of an amazing fry-pan that was coated with plastic. You could cook an egg on that plastic without any oil, and the egg didn’t stick. The plastic was called teflon, a DuPont innovation, whose molecule is shown below.

The molecular structure of Teflon. There is an interior carbon backbone that is completely enclosed with tightly bound fluorine atoms. The net result is a compound that does not bind readily to anything else.

Years later, I came to understand that Teflon’s high-temperature stability and non-stick properties derive from the carbon-fluorine bonds. These bonds are much stronger than the carbon-hydrogen bonds found in food, and most solid, organic things. Because of the strength of the carbon-fluorine bond, Teflon is resistant to oxidation, and to chemical interaction with other molecules, e.g. in food. It does not even interact with water, making it hydrophobic and non-wetting on metals. The carbon-carbon bonds in the middle remained high temperature stable, in part because they were completely shielded by the fluorine atoms.

This is a PFAS. The left side is just like teflon, and very hydrophobic. The right side is hydrophilic and highly bonding to pans, and many other things like water or cotton.

But as remarkable as teflon’s non-stick properties are, perhaps the most amazing thing was that it somehow sticks to the pan. For the first generation pans I saw, it didn’t stick very well. Still, the DuPont engineers had found a way to stick non-stick Teflon to a metal for long enough to cook many meals. If they had not found this trick, teflon would not have the majority of its value, but how did they do it? It turns out they used a thin coating of a di-functional compound called PFAS, a a polyfluoro sulphonyl (or polyfluoroalkyl) substance. The molecular structure of a common PFAS, is shown above.

Each molecule of PFAS has one end that’s teflon-like and another end that’s different. The non-Teflon end, in this case a sulfonyl group, is chosen to be both high temperature stable and sticky to metal oxides. The sulphonyl group above is highly polar, and acidic. Acidic will bind to bases, like metal oxides. The surface of the metal pan is prepared by applying a thin layer of oxide or amidine, making it a polar base. The PFAS is then applied, then Teflon. The Teflon-end of the PFAS is bound to teflon by the hydrophobicity of everything else rejecting it.

There are many other uses for PFAS. For example, PFAS is applied to clothing to make it wrinkle free and stain resistant. It can also be used as a super soap, making uncommonly stable foams and bubbles. It is also used in fire-fighting and plane de-icing. Finally, PFAS is the main component of Nafion, the most common membrane for PEM fuel cells. (I can think of yet other applications..) There is just one small problem with PFAS, though. Like teflon, this molecule is uncommonly stable. It doesn’t readily decompose in nature. That would be a small problem if we were sure that PFAS was safe. As it happens it seems safe, but we’re not totally sure.

The safety of PFAS was studied extensively before PFAS-teflon pans was put on the market, but the methodology has been questioned. Large doses of PFAS were fed to test animals, and their health observed. Since the test animals showed no real signs of ill-health though some showed a slight liver enlargement, PFAS was accepted as safe for humans at a lower exposure dose. PFAS was approved for use on pans and allowed to be dumped under conditions where humans would be exposed to 1/1000 of that used on the animals. The assumption was that there would be little or no health hazard at these low exposure levels.

But low risk is not no risk, and today one can sue for even the hint of an effect though use of a class action suit. That is, lawyers sue on behalf of all the people who might have been damaged. My city was sued successfully this way for complicity in sewage over-flows. Of course, since the citizens being paid by the suit are the same ones who have to pay for the damage, only the lawyers benefit. Still, the law is the law, and at least for some judges, putting anyone at risk is enough evidence of willful disregard to hand down a stinging judgement against the evil doer. Judges have begun awarding large claims for PFAS too. While no individual can get the claim more than a tiny amount of money, the lawyers can do very well.

There is no new evidence that PFAS is dangerous, but none is needed if you can get yourself the right judge. In this regard, an industry of judicial tourism has sprung up, where class-action lawyers travel to districts where the judges are favorable. For Teflon suits, the bust hunting grounds are in New York, New Hampshire, and California, and the worst are blood-red states like Wyoming and Utah. Just as different judges promote different precedents, different states allow vastly different PFAS concentrations in the water. A common standard, one used by Michigan, is 70 ppt, 1 billion times stricter than the amounts tested on animals. This is roughly 500 times stricter than the acceptable concentratios for lead, a known poison. The standard in New York is 7 times stricter than Michigan, 10 ppt. The standard in North Carolina is 140,000 ppt, in in several states there is no legal limit to PFAS dumping. There is no scientific logic to all of this, and skeptical view is that the states that rule more strictly for PFAS than lead do so make money for lawyers. Lead is everyone in the natural environment, so you can’t sue as easily for lead. PFAS is a man-made intruder, though, and a strict standard helps lawyers sue. You can find a summary of state by state regulations here.

Any guideline stricter than about 1000 ppt, presents a challenge to the water commissioner who must measure it and enforce the law. There are tricks, though. You can use the surfactant quality of PFAS to concentrate it by a factor of 100 or more. To do this, you take a sample of river water and create bubbles. Any bubbles that form will be highly concentrated in PFAS. Once PFAS can be identified this way, and the concentrators estimated, the polluters can be held liable. Whether we benefit from the strict rulings is another story. If I were making the law for Michigan, I’d probably choose a limit about 1 ppb, but I’m not making the law. The law, as written, may be an idiot, as Bumble said, but the Law is the Law.

In terms of Michigan fishing, while some rivers have PFAS concentrators above the MI-legal limit, they are generally not far over the line. I would trust the fish in the Huron River, even west of Wixom road but I’d suggest you avoid any foam you find floating there. The PFAS content of foam will be much higher than that of the water in general.

Robert E. Buxbaum, June 30, 2020, edited July 8, 2020. There are seven compounds known as PFAS’s: perfluorooctanesulfonic acid (PFOS), perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA), perfluorohexanesulfonic acid (PFHxS), perfluoroheptanoic acid (PFHpA), and perfluorobutanesulfonic acid (PFBS).

When prostitution was legal in America, 1863-65.

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Readers of this blog know that I am not a fan of very harsh punishments for crime, in particular for crimes that have no direct victim, e.g. drug possession and sales. Prostitution is another crime with no direct victim. One could argue that society as a whole is the victim, but my sense is that punishments should be minimal and targeted, e.g. to prevent involuntary human trafficking and disease. Our current laws, depicted here, are clearly not designed for this, but there was a brief period where prostitution laws did make more sense. During the civil war, civil war, prostitution was legal and regulated to prevent disease.

In 1862, Union forces captured the southern cities of Nashville and Memphis, Tenn. Major Gen. William Rosecrans set up headquarters in Nashville. Before the war, Nashville was home to 198 white prostitutes and nine  “mulatto,” operating in a two-block area known as “Smoky Row.” 

By the end of 1862,  Smokey row had grown and these numbers swelled to 1,500 “public women”. White southern women turned to prostitution out of poverty, largely. Their husbands were dead, or ill paid, and they were joined by recently freed slaves. Benton E. Dubbs, a Union private, reported a saying that “no man culd [sic] be a soldier unless he had gone through Smokey Row,” … “The street was about three-fourths of a mile long and every house or shanty on both sides was a house of ill fame. Women had no thought of dress or decency. They say Smokey Row killed more soldiers than the war.” 

By 1863, venerial disease was becoming a major problem. The Surgeon General would document 183,000 cases of venereal disease in the Union Army alone, “…the Pocks and the Clap. The cases of this complaint is numerous, especially among the officers.”  

Permit for Legal prostitution signed by Col George Spaulding.

At first General Rosecrans directed his assistant, Colonel Spaulding, to remove the women by sending them to other states, first by train, and then by boat commandeering the ship, Idaho for the purpose. The effect was horrible, not only was the ship turned back by every city, but the departure of these ladies just resulted in the appearance of a new cohort of sex-workers. By the time the Idaho had returned, Rosecrans had been relieved of command following embarrassing defeats at Chickamauga and Chattanooga . Col. Spaulding now tried a new technique to stop the plague of VD: legalized prostitution. It worked.

Women’s hospital during the war, Nashville.

For a $5/month fee a “public woman” could become a legal prostitute, or “Public Woman” so long as she submitted to monthly health inspections for a certificate of her soundness. If found infected, she was to report to a hospital dedicated to this treatment, was subject to imprisonment if she operated without the license and certificate. The effect was a major decline in sexually-transmitted disease, and an improvement (so it is claimed) in the quality of the services. The fees collected were sufficient to cover the cost of the operation and hospital, nearly.

At the end of the war, Col Spaulding and the union soldiers left Nashville, and prostitution returned to being illegal, if tolerated. One assumes that the VD rates went up as well.

George Spaulding, Congressman..

Colonel Spaulding and Maj. General Rosecrans are interesting characters beyond the above. Spaulding had entered the war as a private and rose through the ranks by merit. The rise didn’t stop at colonel. After the war, he became postmaster of Monroe Michigan, 1866 to 1870, US Treasury agent, 1871 to 1875, Mayor of Monroe, 1876 to ?, President of the board of education, a lawyer in 1878, and congressman for the MI 2nd district (Republican) 1894 -1898. He also served as board member of the Home for Girls 1885 to 1897, and postmaster of Monroe, 1899 to 1907.

William Rosecrans was a Catholic, engineer-inventor from West Point. Before the war, in 1853, he designed St. Mary’s Roman Catholic Church, one of the largest US churches at the time, site of the wedding of John Kennedy and Jacqueline Bouvier. He also designed and installed one of the first lock systems in Western Virginia. He and two partners built an early oil refinery. He patented a method of soap making and the first kerosene lamp to burn a round wick, and was one of the eleven incorporators of the Southern Pacific Railroad. After the war, he served as Ambassador to Mexico, 1868-69 and was congressman from California, 1st district (Democrat) 1880 – 1884. A true Democrat, Rosecrans could not stand either Grant or Garfield, and fought against Grant getting a retirement package.

Robert Buxbaum, June 5, 2020. There are other ways to stop the spread of sexual diseases. During the AIDS epidemic, condoms were the preferred method, and during the current COVID crisis, face masks are being touted. My preference is iodine hand wash. All methods work if they can reduce the transmission rate, Ro below 1.