It's been ten years since Mel Gibson last directed a film. In what's been called his comeback, Gibson is already getting Oscar buzz for his movie "Hacksaw Ridge." Gibson talks to Peter Travers about getting back in the director's seat, how he came back from the controversy of his 2006 DUI arrest and what it's like to be a father for the ninth time. Discover more ABC podcasts at http://www.abcnewspodcasts.com