Peter Travers doesn’t care if you think the Cars movies are the runts of the Pixar litter – he loves Cars 2, which he says is just as dazzling and action-packed as its predecessor.  Also, Travers is disappointed by the Cameron Diaz comedy Bad Teacher, an overly predictable movie that doesn't go far enough with its premise. It's fun to watch Diaz behave badly, but you're much better off going to see Cars 2. This Week's Reviews: Cars 2 Bad TeacherA Better Life Related: The 12 Must-See Summer Movies — Plus Five Unheralded Gems and Five More to Skip