David Letterman The Kennedy Center Mark Twain Prize. Word Search Puzzle Solver. David Letterman The Kennedy Center Mark Twain Prize word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Emmy Award-winning comic and talk show host David Letterman accepts the 2017 Mark Twain Prize for American Humor. An outstanding lineup of entertainers gathers in the Kennedy Center Concert Hall to salute David Letterman recipient of the 20th annual Mark Twain Prize for American Humor. This includes identifying and searching for words that are related to : Steve Martin, Eddie Vedder, Jimmy Kimmel, Martin Short, Comedy, Amy Schumer, Bill Hader, Al Franken, Norm Macdonald, Bill Murray, Fred Armisen, Paul Shaffer, David Letterman, Michelle Obama, John Mulaney .