U.S. envoy on North Korea, Glyn Davies, right, answers reporter's questions after meeting with South Korea's chief nuclear envoy Lim Sung-nam and Lim's Japanese counterpart Shinsuke Sugiyama at the ... more 
U.S. envoy on North Korea, Glyn Davies, right, answers reporter's questions after meeting with South Korea's chief nuclear envoy Lim Sung-nam and Lim's Japanese counterpart Shinsuke Sugiyama at the Foreign Ministry in Seoul, South Korea, Monday, May 21, 2012. The top U.S. envoy for North Korea is warning Pyongyang that any nuclear test will be met with "swift and sure" international punishment. (AP Photo/Lee Jin-man) less 
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Associated Press | Photo By Lee Jin-man
Mon, May 21, 2012 3:46 AM EDT