Everyone knows Tom Cruise - or at least what he wants us to know. We know that he overcame a difficult childhood to star in an astonishing array of blockbusters: "Top Gun", "Rain Man", "Born on the Fourth of July", "A Few Good Men", "Interview with the Vampire", "Jerry Maguire", three "Mission: Impossible" movies, "War of the Worlds", and more. We know he has taken artistic chances, too, and as a result has earned three Academy Award nominations and three Golden Globes, along with the respect of...