Chinese President Hu meets with U.S. President Obama in Seoul

Chinese President Hu Jintao (R) shakes hands with U.S. President Barack Obama in Seoul, capital of the Republic of Korea (ROK), March 26, 2012. The two leaders met on the sidelines of the Seoul Nuclear Security Summit scheduled for Monday and Tuesday. (Xinhua/Huang Jinwen)

Chinese President Hu Jintao (3rd R) meets with U.S. President Barack Obama (2nd L) in Seoul, capital of the Republic of Korea (ROK), March 26, 2012. The two leaders met on the sidelines of the Seoul Nuclear Security Summit scheduled for Monday and Tuesday. (Xinhua/Huang Jinwen)