With his controversial and probing documentaries like Fahrenheit 9/11 and Bowling for Columbine, and books like Dude, Where s My Country?, Michael Moore insistently pokes at the powerful in corporate and political America. His dress sloppy, his beard scraggly and a baseball cap almost permanently affixed to his head, Moore has set himself up as an Average Joe with a camera, an ax to grind and a hope to force change in the country.