Here's what Dr. Deborah Birx had to say about Trump wearing a mask - CNN

White House coronavirus response coordinator Dr. Deborah Birx said Sunday that there is "clear scientific evidence" that masks work -- adding that she assumes President Donald Trump is able to keep six feet of distance "in a majority of cases" when pressed on… https://www.cnn.com/2020/05/24/politics/deborah-birx-donald-trump-masks-social-distancing/index.html