U.S. President Barack Obama and South Korean President Lee Myung-bak attend the opening plenary session at the Nuclear Security Summit at the Coex Center, in Seoul, South Korea, Tuesday, March 27, ... more 
U.S. President Barack Obama and South Korean President Lee Myung-bak attend the opening plenary session at the Nuclear Security Summit at the Coex Center, in Seoul, South Korea, Tuesday, March 27, 2012. Sitting in the center is South Korean President Lee Myung-bak. (AP Photo/Pablo Martinez Monsivais) less 
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Associated Press | Photo By Pablo Martinez Monsivais
Mon, Mar 26, 2012 10:24 PM EDT