Conan O'Brien received the Mark Twain prize for humor in ceremony that drew Sarah Silverman, Will Ferrell, David Letterman and Stephen Colbert to the embattled Kennedy Center, setting the stage for Trump zingers.

After the lights went down in the Kennedy Center Concert Hall on March 23 to signal the beginning of the Mark Twain Prize ceremony, an announcer on the PA system explained that the Kennedy Center — recently taken over by President Donald J.

The starry Mark Twain Prize for American Humor ceremony was the most high-profile event held at the venue since the president made himself its chairman.