course would be left up to kim. today the president is expected to have a quiet day in new jersey before flying off to will alto participate in a rally for the election of senator luther strange, who is in a tight race against the very is popular former georjudge roy moore. let s discuss it with editor at large chris solizza and national security analyst david sanger. great to have both of you. david, before i get to the overheated, colorful rhetoric coming from pyongyang, can we talk about what was a development yesterday. that was what was happening in beijing. it appears that china central bank sent some instructions to its ancillary banks to stop doing business or transactions with pyongyang. how big a development is that and do you think that s a byproduct of something president trump has done?