Romano tells us how he landed a role in Martin Scorsese's series 'Vinyl,' how Letterman gave him his big break, and what makes him cry. Commentator Sarah Hepola says after years of complaining about hate on the Internet, she became part of the problem. Finally, pitchers of all ages are increasingly blowing out their elbows and needing what's known as Tommy John surgery. Sports writer Jeff Passan discusses his new book 'The Arm.'
