China says North Korea pledges denuclearization during friendly visit
Kim Jong Un's predecessors, grandfather Kim Il Sung and father Kim Jong Il, both publicly promised not to pursue nuclear weapons but secretly continued to develop the programs.
North Korean leader Kim Jong Un arrives for an opening ceremony of a newly constructed residential complex in Ryomyong street in Pyongyang, North Korea April 13, 2017(photo credit: REUTERS)ByREUTERS