Late Show with David Letterman

After Dave makes a joke about CBS' recent miniseries about Adolf Hitler, Paul and the band plays ""Danke Schoen;"" a woman is given the once-in-a-lifetime opportunity to call, and then hang up on Regis; Alan has a few words to say about ""American Idol;"" Jim Carrey shows off his idea for a reality show; Chevelle performs ""Send The Pain Below.""