As a recipient of The Mark Twain Prize for American Humor, O'Brien joins a who's who of American comedy that includes Richard Pryor, George Carlin, Lily Tomlin, Whoopi Goldberg and Kevin Hart.

Previous recipients include Richard Pryor, Whoopi Goldberg, Bob Newhart, Lily Tomlin, Billy Crystal, Carol Burnett, Eddie Murphy, Bill Murray, David Letterman, Julia Louis-Dreyfus, Adam Sandler ...

O'Brien is the 26th winner of the annual prize, and joins a list of honorees including Richard Pryor, George Carlin, Lily Tomlin, Carl Reiner, Whoopi Goldberg, Tina Fey, Eddie Murphy, Kevin Hart ...

Before Kathy Griffin’s new stand-up tour, “My Life On The PTSD-List,” stops at D.C.’s Warner Theatre on Saturday, she spoke to WTOP about the people that inspired her to go into comedy and what’s ...