"a convicted murderer's case for gun control" and "let prisoners take college courses." the former executive editor of the new york times, bill keller, has high praise for this prison journalist's work. >> he was the first one that i actually found myself thinking of as a colleague. when he's writing for me, he's not a killer. he's a journalist. >> i've built a career for myself in prison. you know, i think if i was out, i'd be pretty employable, you know? but i'm a convicted murderer. >> you try not to define people by the worst thing they ever did. >> lennon co-authored "a turbulent mind" with bill keller, who's now editor in chief of the marshall project, a news organization focused on the u.s. criminal-justice system. >> john called me up and said, "guess who's in sing sing? andrew goldstein is here. i've been talking to him.