Review: Mike Tyson weaves and bobs around 'Undisputed Truth'

His one-man monologue on HBO appears to be more a careful marketing ploy than an honest examination of his past.No one will ever accuse Mike Tyson of leading an unexamined life. With a Cannes-debuted documentary, a six-part Fox Sports miniseries, a one-man Broadway show and now a "tell-all" memoir, the former heavyweight champion has been self-chronicled within an inch of his life.