welcome back. in less than 24 hours, donald trump will become the first sitting u.s. president to meet with a north korean leader. for the last few hours, mr. been meeting with singapore's at city state is obviously hosting this historic summit. and that is where we find our next guest, the ceo of the korea risk group and founder of nk news. chad, great to have you with us. the u.s. has said that there must be a commitment of complete verifiable and irreversible denuclearization for there to be any deal with north korea. but do you believe that kim jong-un is on the same page? >> no, the north koreans have a different view of denuclearization. they been talking about denuclearization of the peninsula, and traditionally that'serred that the u.s. should remove its nuclear threat