Tom Shadyac is known for directing blockbuster comedies starring the biggest names in show business including Jim Carrey and Eddie Murphy. But his new documentary "I Am" poses two important questions: 'What’s wrong with the world?' and 'What can we do about it?' DVDTalk's Casey Burchby spoke with Shadyac recently in San Francisco to discuss the film and how his 2007 bike accident changed his world. Read all this and more in the latest DVDTalk Interview.