Retired Captain Pao Yang was a Hmong airman trained by the U.S. Air Force and CIA to fly T-28D aircraft for the U.S. Secret War in Laos. However, his plane was shot down during a mission in June 1972. Yang survived, but enemy forces captured him and sent him to a POW camp in northeastern Laos. He remained imprisoned for four years after the United States withdrew from Vietnam because he fought on the American side of the war. Prisoner...