Late Show with David Letterman: "CBS Mailbag" features another letter from fan Mark Hendren, asking what Dave does to celebrate President's Day. Dave shows a President's Day Sale, as Lincoln's wig falls off. Also, Paul performs a song promoting Tom Selleck's appearance next week, and Merrill Markoe appears to promote her book "Guide to Love."

Starring:

Alan Kalter, David Letterman, Paul Shaffer

Genre:

Comedy, Music, Talk-Show