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""Bad Phone Call"" to TV's Larry Hovis; Dr. Ruth Westheimer answers audience questions; Tommy Casabona drills a hole in Dave's desk to accomodate the desktop microphone cord (the legendary RCA 77DX); former ""Saturday Night Live"" creator/executive producer Lorne Michaels visits.
First Air Date : Feb 01, 1982
Last Air date : Jun 25, 1993
Episode : 1377 Episode
Season : 12 Season
Runtime: 60:14 minutes
Studio: NBC
Country:
Cast: David Letterman