president xi jinping. after months of tough talk of the china and u.s. trade relationship, the phone call proved to be the latest form for trump to separate the campaign rhetoric from the policies for the administration. cnn's matt rivers has more on the story for what will happen when the men meet face-to-face. >> reporter: there is plenty left to be said face-to-face. as we have been learning, this call is an introduction call. a diplomatic niceity. you are talking about how the u.s. and china are working together. reporting that president jinping told donald trump that it is proven to cooperate is the correct thing to do. and donald trump said the two