Terry Gross

Historian Nelson Lichtenstein discusses the impact of Wal-Mart on both the American and the global economy in his new book, The Retail Revolution: How Wal-Mart Created a Brave New World of Business.

Lisa Sanders' monthly "Diagnosis" column in The New York Times Magazine was an inspiration for the TV series House. Sanders, an internist on the faculty of the Yale University School of Medicine, is the show's technical advisor; her new book is Every Patient Tells a Story: Medical Mysteries and the Art of Diagnosis.

Puppies Behind Bars is a canine training program that enlists prison inmates to train puppies as bomb-sniffing dogs or as service animals. Many of the dogs are then paired with wounded or disabled veterans.