Alan Dale speaks with Gerald D. McKnight, professor emeritus of history at Hood College in Frederick, MD. He is one of the world's leading authorities on the Warren Commission, whose report observes its 50th anniversary on September 24, 2014.

McKnight is the author of Breach of Trust: How The Warren Commission Failed The Nation And Why (updated 2013 paperback edition), and The Last Crusade: Dr. Martin Luther King, Jr., the FBI, and the Poor People's Campaign.