Richard L. Friedman: What to do about doctors who push misinformation?

It’s bad enough when our political leaders promote quack theories about coronavirus and its treatment; but what do we do about the doctors who enable them and use their medical authority to promote pseudoscience?Take Scott Atlas, a former Stanford University radiologist with no training or expertise in public health or infectious disease. As President Trump’s special adviser on coronavirus, he cast doubt on the efficacy of face masks, long after science had confirmed their efficacy.