…. Arguments that masks infringe on personal rights must be countered both by legal orders and by persuasion. “We need more credible messengers endorsing masks,” Dr. Wen said — just before the president himself became a messenger. “They could include C.E.O.s or celebrities or religious leaders. Different people are influencers to different demographics.” Although this feels like a new debate, it is actually an old one. Masks were common in some Western cities during the 1918 flu pandemic and mandatory in San Francisco. There was even a jingle: “Obey the laws, wear the gauze. Protect your jaws from septic paws.”… — more at https://www.nytimes.com/2020/07/29/health/coronavirus-future-america.html?auth=login-facebook&smid=tw-nytimesscience&smtyp=cur