It was exceedingly clear that Washington needed a laugh on Sunday night. Luckily, some of the country’s top satirical minds had gathered at the Kennedy Center to praise Jon Stewart at the annual Mark Twain Prize for American Humor.

It was the 23rd ceremony but the first in 2½ fairly dark years. Dave Chappelle was honored in October 2019, a ceremony that later aired as a slickly produced Netflix special. (This one will be broadcast on PBS on June 21.) It’s also the first in the now-permanent spring slot….