Washington — On a night when half a dozen people made jokes about this being the last-ever Mark Twain Prize, Conan O'Brien made sure ... along with George Carlin, Whoopi Goldberg, Bob Newhart ...

Conan O’Brien is getting the last laugh — and ... O’Brien joins a stacked lineup of past recipients that includes George Carlin, David Letterman, Tina Fey, and Kevin Hart.

O’Brien accepted the award for lifetime achievement ... achievement award include both Letterman and Leno, along with George Carlin, Whoopi Goldberg, Bob Newhart, Carol Burnett, Bill Murray ...

Into this maelstrom steps O'Brien, whose comedic persona has never ... award include both Letterman and Leno, along with George Carlin, Whoopi Goldberg, Bob Newhart, Carol Burnett Bill Murray ...