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It's Biff's 50th birthday, so Dave promotes his new PBS political roundtable chatfest, ""The Henderson Group."" Tonight's panelists: Biff, Dave, Paul, and ""outspoken liberal"" Pat Farmer.
First Air Date : Aug 30, 1993
Last Air date : May 20, 2015
Episode : 4252 Episode
Season : 22 Season
Runtime: 63:60 minutes
Studio: CBS
Country: United States of America
Crew: David Letterman (Writer)