South Koreans watch a TV news program showing a picture of a man believed to be Kim Jong Un, the third son of North Korean Leader Kim Jong Il, at the Seoul Railway Station in Seoul, South Korea, Thursday, Sept. 30, 2010.(AP Photo/Ahn Young-joon)

Photo by: Ahn Young-joon

South Koreans watch a TV news program showing a picture of a man believed to be Kim Jong Un, the third son of North Korean Leader Kim Jong Il, at the Seoul Railway Station in Seoul, South Korea, Thursday, Sept. 30, 2010.(AP Photo/Ahn Young-joon)