U.S. Secretary of State John Kerry (L) and South Korea's Foreign Minister Yun Byung-se shake hands during a photo opportunity shortly before private meetings at the Foreign Ministery in Seoul April ... more 

U.S. Secretary of State John Kerry (L) and South Korea's Foreign Minister Yun Byung-se shake hands during a photo opportunity shortly before private meetings at the Foreign Ministery in Seoul April 12, 2013. REUTERS/ Paul J. Richards/Pool (SOUTH KOREA - Tags: POLITICS) less