John Ratzenberger's father drove a Mack truck for a living. So the blue-collar comic actor says it's particularly sweet that in Disney/Pixar's new digitally animated road picture, "Cars," he gets to ...

John Ratzenberger is known for so many different loveable roles—Cliff Clavin on Cheers, the voice of Mack in Cars, and Hamm in Toy Story, to name a few. But the 78-year-old also knows his way around ...