http://www.youtube.com/watch?v=yFavsfq3wjo
David Letterman used to show this clip all the time on his show, so it’s about time I posted it here. In 1979, when he was still an up-and-coming comedy writer and performer, Letterman made a rare acting appearance alongside Robin Williams on the hit TV series, Mork & Mindy, donning a leisure suit to play a sleazy self-help guru.