Depp proves he can do it all in ‘Sweeney Todd'

Few actors take reckless deep-end lulus like Johnny Depp. So it's no surprise that, from the start of "Sweeney Todd," Depp is utterly convincing in the title role of a prosperous London barber turned into a shell-socked soul who's stared at the face of human evil and is eager to slice its gullet.