Jesse Thorn talks to the singer/songwriter Bill Withers, of Lean on Me and Just the Two of Us fame, about making it in the music business and then retiring from performance. Plus comedy writer Joe Randazzo shares his secrets to an "unpredictable career in comedy" as outlined in his new book Funny On Purpose, and Jesse explains why his great American hero is one of the kid spellers from the 2002 documentary, Spellbound.