Doctors supporting a Medicare for All system are demanding the American Hospital Association leave a coalition of health care stakeholders that opposes single-payer or a public option, saying hospitals shouldn’t be spending money to fight universal health care during the COVID-19 pandemic. The American Medical Association left the Partnership for America’s Health Care Future in 2019 and the American College of Radiology decided not to renew its membership in the coalition earlier this year. “As physicians, we can no longer...