Real Time with Bill Maher

Guests: a one-on-one interview with Emmy and Peabody Award-winning actor, writer, and producer, Keegan-Michael Key and award-winning film and TV director, writer, and producer, Elle Key, who together wrote the new book "The History of Sketch Comedy." Plus, Matt Welch - editor-at-large of Reason Magazine; and Sarah Isgur - senior editor for the online magazine The Dispatch.