Natalie Portman, Artie Lange, Brad Paisley

Late Show with David Letterman – Season 16

Alec Baldwin endorses the Fun Facts book; Natalie Portman discusses campaigning for President-elect Obama; Bill Scheft begs the new president to make an ass of himself; Artie Lange plugs his new book; Brad Paisley performed a cover of The Cars' "Good Times Roll."