Here’s what you need to know:
President Trump received a promising experimental drug to treat Covid-19 on Friday, according to a memo from his doctor, and later went to Walter Reed National Military Medical Center for what was expected to be a stay of a few days.
In a brief video message the president tweeted shortly after arriving at Walter Reed, he looked tired. He declared that he is “doing very well” and suggested that he was visiting the hospital only as a precaution.
“I think I’m doing very well, but we’re going to make sure that things work out,” Mr. Trump said in the 18-second video, filmed in the White House shortly before his departure for the hospital. “The first lady is doing