Caroline Kennedy; Jonathan Safran Foer; Elvis Costello

Caroline Kennedy, president of the John F. Kennedy Library, shares her new book, "Profiles in Courage for Our Time," which is modeled after her father's book, "Profiles in Courage." Novelist Jonathan Safran Foer shares his first book, "Everything is Illuminated." Singer-songwriter Elvis Costello shares his latest solo studio album, "When I Was Cruel," and tells the story of how the album was born.