Late Show with David Letterman: During "CBS Mailbag," CBS holds auditions for Dave's replacement, George Clarke learns how to play drums and Gerard Mulligan makes a triumphant comeback as President Bush. Also, Julia Roberts' niece Emma proves to be as enigmatic an interviewee as her aunt and Brian Regan does standup.

Starring:

Alan Kalter, David Letterman, Paul Shaffer

Genre:

Comedy, Music, Talk-Show