**FILE** North Korean leader Kim Jong-un (center), flanked by Kim Yong-nam (right), president of the Presidium of the Supreme People's Assembly and the ceremonial head of state, and Vice Marshal Ri Yong-ho of the Korean People's Army, presides over a national memorial service for his late father, Kim Jong-il, at Kim Il-sung Square in Pyongyang, North Korea, on Dec. 29, 2011. (Associated Press)