"Turncoats" and "Diabolic Brainwashing" are among the headlines that met the 21 young American GIs who refused repatriation when the armistice was signed to end the Korean War (1950-53) and chose to go to Red China. Hollywood films such as The Manchurian Candidate (1962) didn't help ease the frenzy over the perceived Communist diabolism either. For a long time no one knows what life behind the "Bamboo Curtain" was really like for those "21...