Mike Baker sits down with bestselling author and investigative journalist Gerald Posner to discuss the lingering questions surrounding the assassination of President John F. Kennedy. Posner, author of Case Closed: Lee Harvey Oswald and the Assassination of JFK, breaks down the evidence and theories regarding potential involvement by the Soviets and Cubans. Did foreign intelligence have a hand in one of the most shocking moments in American history? Or was Oswald acting alone?