Dave's beard gets a key to the city, courtesy of Mayor Bloomberg; a wayward WGA picketer wanders around in the backdrop; Hal Gurnee's latest Network Time Killer is a "balloon drummer"; Ellen Page plugs Juno; Roger Bart, Sutton Foster, and Chris Fitzgerald perform a song from the musical "Young Frankenstein."
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Ready to Watch Late Show with David Letterman, Season 15, Episode 36?