trump predicted on twitter that tode is a "good chance that kim jong-un will do what is right o r his people and for humanity. look forward to our meeting." but there are already signs that north korea may not be acting in good faith. these satellite images appear to show a new reactor, possibly for developing plutonium, coming online. i' he could say to himself, i've already established, i'm already a nuclear power, i already have 60 nuclear warheads. i'm 90-95% done with a nuclear program, so i'm in a position of strength coming into this negotiation. >> reporter: while north korea pledged to hold off on tests, it continues to develop its nuclear wogram. china has now pushed aside u.s. ally south korea, which had been shepherding the diplomacy, and in the meantime, u.s. utelligence led by c.i.a. director mike pompeo is laying the groundwork for that landmark summit. jeff? >> glor: margaret brennan, thank you very much. tornado and flash flood watches and warnings are up across the ghuth tonight. arkansas and oklahoma are getting pounded with heavy rain. a number of people had to be

. >> sue, thank you. >> is north korean leader kim jong-un in china was he in china? if he was, what could that signal for u.s./china relations? at aadn ow lchth'she o"perun." when this bell rings... ...it starts a chain reaction... ...that's heard throughout the connected business world. at&t network security helps protect business, from the largest financial markets to the smallest transactions, by sensing cyber-attacks in near real time and automatically deploying countermeasures. keeping the world of business connected and protected. that's the power of and. ♪ ♪ wake up early, o. ♪ slap on some cologne ♪ i'm 85 and i wanna go home ♪ ♪ just got a job ♪ as a lifeguard in savannah ♪ ♪ i'm 85 and i wanna go home ♪ ♪ dropping sick beats, they call me dj nana ♪ ♪ 85 and i wanna go don't get mad. get e*trade, kiddo. >>> was he or wasn't he? did north korea's leader kim jong-un really make a secret chip to china? eunice yun joins us live from beijing. >> hey, melissa. that's the question that everyone in beijing was asking today. the chinese capi