New evidence on JFK assassination [audio 51min]

Recently released documents and artifacts related to the assassination of John F. Kennedy raise new questions about his murder. Historians weighing in on unanswered questions about the killing of JFK are Max Holland, author of The Kennedy Assassination Tapes; Gary Mack, curator, The Sixth Floor Museum at Dealey Plaza, Dallas; and David Kaiser, professor of history at the Naval War College and author of American Tragedy.