U.S. President Barack Obama visits with South Korean troops at Observation Post Ouellette in the Demilitarized Zone, the tense military border between the two Koreas, in Panmunjom, South Korea, ... more 
U.S. President Barack Obama visits with South Korean troops at Observation Post Ouellette in the Demilitarized Zone, the tense military border between the two Koreas, in Panmunjom, South Korea, Sunday, March 25, 2012. (AP Photo/Susan Walsh) less 
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Associated Press | Photo By Susan Walsh
Sun, Mar 25, 2012 7:07 AM EDT