Gail Collins: Pick your favorite anxiety

Whenever Donald Trump appears in public, you can be sure of a couple of things: He will not wear a mask, and he will brag about having beaten back Chinese travelers.“We are getting great marks for the handling of the CoronaVirus pandemic, especially the very early BAN of people from China,” he tweeted last weekend.“We banned people from China coming in. … I was the only one that wanted to do that,” he told Republican members of Congress.“And I issued a travel