Andy Richter, Bill Burr, Adam Sandler, Tracey Morgan, Stephen Colbert and Nikki Glaser were among the comedians to pay tribute to O'Brien at the event, which is scheduled to strea

Conan O'Brien will receive one of the most coveted awards in comedy on Sunday — but the annual event takes place at a tense time for the Kennedy Center.

Conan O'Brien will receive the Mark Twain Prize for American Humor at the Kennedy Center. This event also spotlights the institution's transition under new leadership by President Trump. The ceremony,