reporter: dave, that is a great question here as the president trump ends his day, as you said. there is another state dipper goi dinner going on. but there is definitely an unknown about what policy changes there are going to be. they definitely expressed a commitment, president xi, at that joint statements earlier today in the great hall of the people here said that china s committed to denuclearizing the korean peninsula but also suggested he needed time for sanctions to work. they re trying to bring a roo po rapport to bring china on board. we agreed not to replicate failed approaches over the past, and there were many. together, we have in our power to finally liberate this region.