Rich Hall talks about being a street performer; Harry Anderson; moving to NYC in 1978 and doing stand-up with Jerry Seinfeld, Paul Reiser and Gilbert Gottfried;  writing for the David Letterman (Morning) Show; doing The Tonight Show with Letterman as a guest host; Fridays; writing and performing on Saturday Night Live; moving to England; QI; Otis Lee Crenshaw; BBC documentaries; Blazing Saddles