resolving the tension? >> think china certainly a very key part of that. i think that's why you see secretary kerry doing a few things on this trip. first, he's reassuring our allies like south korea and japan we'll stand by them. also work china where we have mutual interests to maintain stability on the korean peninsula and china is very important in that they can bring unique kind of pressure on the north koreans to bring them back in line with their international obligations. i think why the diplomatic part is so important and why this trip bisek kerry is so important. >> former cia spokesperson marie harf. thank you. just ahead a top democrat in kentucky accuses progress kentucky of making that audiotape. it was made at senator mitch