Bill Cosby & Monologue-Late Show W/ David Letterman 6/1/09

6/1/2009 Late Show With David Letterman: Find out about the friendly competition between Bill Cosby and George Carlin. David Letterman's monologue.


Letterman - Bill Cosby's Race Against George Carlin


Letterman - Dave's Monologue - 06/01/09