A South Korean army soldier walks by a sign showing the distance to North Korean capital Pyongyang and that for South's capital Seoul from Imjingang Station near the border village of Panmunjom in Paju, South Korea, Thursday, Feb. 14, 2013. (AP Photo/Ahn Young-joon)
South Korean protesters burn an effigy of North Korean leader Kim Jong-un during an anti-North Korea rally denouncing the North's nuclear test in Seoul, South Korea, Wednesday, Feb. 13, 2013. (AP Photo/Ahn Young-joon)
South Korean protesters burn an effigy of North Korean leader Kim Jong-un during an anti-North Korea rally denouncing the North's nuclear test in Seoul, South Korea, Wednesday, Feb. 13, 2013. (AP Photo/Ahn Young-joon)
South Korean National Election Commission officials sort out ballots cast in the presidential election as they begin the counting process in Seoul on Wednesday, Dec. 19, 2012. South Koreans voting for president Wednesday were almost evenly divided between the conservative daughter of a late dictator and the liberal son of North Korean refugees, according to surveys released after the polls closed. (AP Photo/Ahn Young-joon)
Unidentified members of the opposition Democratic United Party watch TV news reporting exit polls on their presidential candidate, Moon Jae-in, in South Korea's presidential elections at the party headquarters in Seoul on Wednesday, Dec. 19, 2012. (AP Photo/Ahn Young-joon, Pool)
South Koreans at Seoul Station in the nation's capital watch a TV news report on the launch of an Unha rocket from Tongchang-ri, North Korea, on Wednesday, Dec. 12, 2012. The launch by North Korea of the long-range rocket came only days before South Korean presidential elections. (AP Photo/Ahn Young-joon)
South Koreans at Seoul Station in the nation's capital watch a TV news report on the launch of an Unha rocket from Tongchang-ri, North Korea, on Wednesday, Dec. 12, 2012. The launch by North Korea of the long-range rocket came only days before South Korean presidential elections. (AP Photo/Ahn Young-joon)
South Koreans at Seoul Station in the nation's capital watch a TV news report on the launch of an Unha rocket from Tongchang-ri, North Korea, on Wednesday, Dec. 12, 2012. The launch by North Korea of the long-range rocket came only days before South Korean presidential elections. (AP Photo/Ahn Young-joon)
A cutout of North Korean leader Kim Jong-un is displayed during a protest denouncing North Korea for trying to intervene in the upcoming South Korean presidential election scheduled for Dec. 20, in Seoul on Friday, Oct. 12, 2012. The cutout reads "Novice." (AP Photo/Ahn Young-joon)
