In this undated photo from North Korea's official Korean Central News Agency, a young Kim Jong-il rides a horse. (Korean Central News Agency/Korea News Service via AP Images)
In this undated photo from North Korea's official Korean Central News Agency, a young Kim Jong-il (second from right) appears in a souvenir picture with his friends. (Korean Central News Agency/Korea News Service via AP Images)
In this undated photo from North Korea's official Korean Central News Agency, a young Kim Jong-il (left) is pictured with his parents, Kim Jong-suk (right) and Kim Il-sung. (AP Photo/Korean Central News Agency via Korea News Service)
In this undated photo from North Korea's official Korean Central News Agency, Kim Jong-iI (center) is pictured with his parents, Kim Jong-suk (left) and Kim Il-sung. (AP Photo/Korean Central News Agency via Korea News Service)
North Korean leader Kim Jong-il smiles in an undated photo from North Korea's official Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP Images)
North Korean officials have become critical of leader Kim Jong-il, shown during a visit to a fruit farm in a photo released by the Korean Central News Agency, since his regime overhauled the country's paper currency in December 2009, according to Kang Cheol-hwan, a North Korean defector. (Associated Press)
In this undated photo released by Korean Central News Agency via Korea News Service Saturday, Oct. 9, 2010, Kim Jong Un, center, the third son of North Korean leader Kim Jong Il inspects the newly-built State Theater in Pyongyang, North Korea's capital. (AP Photo/Korean Central News Agency via Korea News Service)
In this undated photo released by Korean Central News Agency via Korea News Service Saturday, Oct. 9, 2010, North Korean leader Kim Jong Il, left, stands on the stage during his inspection of the newly-built State Theater in Pyongyang, North Korea's capital. (AP Photo/Korean Central News Agency via Korea News Service)
In this photo released by Korean Central News Agency via Korea News Service, fireworks explode during an evening celebration marking the 65th anniversary of North Korea's ruling Workers' Party in Pyongyang, North Korea on Sunday, Oct. 10, 2010. (AP Photo/Korean Central News Agency via Korea News Service)
