The remarkable true story of the longest-held prisoner of war in American history, John Downey, Jr., a CIA officer captured in China during the Korean War and imprisoned for twenty-one years. John (Jack) Downey, Jr., was a new Yale graduate in the post-World War II years who, like other Yale grads, was recruited by the young CIA. He joined the Agency and was sent to Japan in 1952, during the Korean War. In a violation of protocol, he...