Pulitzer Prizewinning journalist Isabel Wilkerson discusses her book "The Warmth of Other Suns: The Epic Story of America's Great Migratio,"" presented by Harvard Book Store. Wilkerson chronicles the decadeslong migration of black citizens who fled the South for northern and western cities, in search of a better life. From 1915 to 1970, this exodus of almost six million people changed the face of the U.S. More lectures at http://forumnetwork.org

This talk took place on September 14, 2010.