A member of the Del Fuegos, he went on to teach at NYU, work on Martin Scorsese’s George Harrison documentary, and write a biography of Tom Petty. During our conversation at the Princeton Public Library, he asserted that creative work is often the product of a miserable childhood. A counter-example offered by the audience: Leonard Nemoy, which doesn’t quite settle the matter. Plus, music from Warren along with Chris Harford and Keaton Thandi.