Letterman and O'Reilly grapple on the Late Show

The media site Crooks and Liars has a clip from last night's Late Show with David Letterman featuring FOX News pundit Bill O'Reilly. Things are kept pretty light during O'Reilly's droning War on Christmas saga, but heat up when the O'Reilly Factor host starts grousing about anti-war protester Cindy Sheehan. Letterman goes toe-to-toe with the bloviating O'Reilly, making for some interesting political discourse, as well as delivering the late-night yucks. View the video here.