Kay Redfield Jamison; Pete Hamill; Adele Logan Alexander

Adele Logan Alexander discusses the history of identity, race, and class in the United States through her own family story, as she does in her book "Homelands and Waterways: The American Journey of the Bond Family, 1846-1926." Pete Hamill talks about Mexican art and his new book, "Diego Rivera." Psychologist Kay Redfield Jamison discusses manic depression and her new book, "Night Falls Fast: Understanding Suicide."