said you got to help us with north korea because we can't allow it. it's no good for you. you have a tremendous power because of trade. is he then explains thousands of years of history with korea. not that easy. in other words, not as simple as people would think. >> he went on to write this on twitter this morning. "trade between china and north korea grew almost 40% in the first quarter. so much for china working with us. but we had to give it a try. let's bring in our starting panel, chief foreign affairs correspondent andrea mitchell will, eli stokols and national political correspondent for the "washington post" robert costa. andrea, i wonder if nikki haley's message at the u.n. is going to carry the day where she's got this very tightly scripted not a red line but a very direct threat about how time is running out on the diplomatic front or if you could predict that this president might get pulled off that