'Wanda Sykes Presents Herlarious': What Does It Take to Offend a Comic?

Can a joke be funny and offensive at the same time? Some of these up-and-coming female comics say yes -- but there's a definite line that can be crossed. Comedians Wanda Sykes, Gloria Bigelow, Andi Smith and Dominique explain what makes a joke just plain wrong. Plus, find out what Wanda says offends her even more than a comic who tells a bad joke.