Terry Gross

Graham Allison is an expert on nuclear weapons and national security. In his new book, Nuclear Terrorism: The Ultimate Preventable Catastrophe, he argues that avoiding a catastrophic nuclear event needs to be a higher priority for the U.S. government.

Filmmakers Josh Marston and Orlando Tobon discuss Maria Full of Grace, their film about a Colombian girl who swallows pellets of narcotics and travels on a plane to New York. In real life, Tobon runs a travel agency that arranges transport back to Colombia for dead smugglers, who have died when the pellets burst.

Lisa Scottoline's Killer Smile was inspired by a secret in her family's past: Her immigrant-Italian grandparents were listed as "enemy aliens" during World War II, and the FBI raided their house. But her grandparents did nothing wrong and were never accused of anything.