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 took part in an air drop that failed and was captured over China. His sources on the ground had been compromised, and his identity was known. Although he first tried to deny who he was, he eventually admitted...