policy adviser says he floated the idea setting up a visit between then candidate trump and russian president putin. we have a team of analysts standing by, but i want to begin with cnn white house reporter jeremy dimon joining us from tokyo where the president will arrive later this evening. how crucial is this trip? >> reporter: first on the agenda is going to be addressing the north korean crisis. the president this week is is going to be meeting with the top leaders in the region who are most essential to this problem. he's first in japan then he'll be meeting with the south korean leader as well as the chinese president xi. this comes all as the national security adviser warns that united states and the world really is quote running out of time when it comes to address ing the north korean crisis. this crisis is of course grown by the week. the risk of potential military