During Mailbag, various staffers show the audience their baby pictures; Dave introduces a musical comedy troupe called ""The Beltway Bunch"" (a rip-off of The Capital Steps), and Tony runs them offstage; just before introducing tonight's ""Stupid Pet Tricks,"" Dave thanks Merrill Markoe (who underwent surgery earlier in the day) for giving him the idea to do this segment.
click here to see where to watch or .
Ready to Watch Late Show with David Letterman, Season 5, Episode 178?