U.S. nuclear envoy Stephen Bosworth reacts during a meeting with his South Korean counterpart Wi Sung-lac in Seoul, South Korea, Monday, Nov. 22, 2010. Bosworth's trip to Asia for talks on North Korea... more 
U.S. nuclear envoy Stephen Bosworth reacts during a meeting with his South Korean counterpart Wi Sung-lac in Seoul, South Korea, Monday, Nov. 22, 2010. Bosworth's trip to Asia for talks on North Korea comes as new satellite images show construction under way at North's Yongbyon. less 
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Associated Press | Photo By Lee Jin-man
Tue, Nov 23, 2010 9:00 AM EST