Korea’s Nuclear Nightmare Hasn’t Gone Away Unless the United States changes its priorities, Korean diplomacy is probably doomed. By James M. Acton Foreign Policy May 2, 2018, 12:23 PM ; A South Korean soldier stands under a display of North and South Korean missiles in Seoul on Dec. 12, 2002. (Chung Sung-Jun/Getty Images) I spent my all-too-brief vacation last August tryin..