Terry Gross

Have you thought about switching to barefoot running? New York Times exercise columnist Gretchen Reynolds did -- and promptly injured herself. She details what she did wrong -- and how to keep your own feet healthy -- in her new book, The First 20 Minutes.

The stand-up comedian and star of In Living Color was recently nominated for a Tony Award for his portrays of Sporting Life in the opera Porgy and Bess. "I think the character of Sporting Life is a salesman so he has to be flamboyant, the life of the party," he says.

Actor and writer Sacha Baron Cohen is famous for taking his characters — Ali G., Borat, Bruno — into the real world, interacting with people who have no idea that they're dealing with a fictional character. But his new movie, The Dictator, is a scripted comedy about a tyrant on the loose in New York.