who he will meet with remains unknown. he is major player close to kim jong-un and former head of north korea's spy athey and preparations move ahead elsewhere. >> the president sent over two delegations to -- one for logistics and one more diplomatic purposes praiking preparations for june 12. if it doesn't happen june 12 it could happen thereafter. >> much remains unknown. will the u.s. be able to get a full accounting of all of kim's nuclear weapons and have the ability to verify the destruction of those weapons if these talks get that far? and there is this question. >> are you going to drag this out over many years way beyond the president's term of office so that it's more of a promise? >> also there is china's massive influence over north korea. in fact, just today the white