Letterman is HUNG. Someone even devoted a web page to it. Go
David Letterman Basket Page! Also, sometimes during Dave's monologue, you can see his loveliness press against his suits. Dave is very sexy.
Bill Maher appeared to be in his most recent stand up special, but it sort of looked like a prosthetic. I like his comedy, but the thought of getting near his cock gives me the creeps.