suggested that china has become frustrated with north korea. one of the diplomats characterizing poyongyang as a spoiled child. president obama will welcome the chinese president next week for a visit. is it a talk about north korea? mike chinoy joining us on the phone from hong kong. what do you think the administration is hoping to gain from the visit with the chinese leader, mike? kyra, u.s.-china relations gone through a rough patch in the last year or so. tensions on a whole host of issues. usual longstanding problems of trade and american complaints about the value of china s currency. but also, bigger strategic questions the united states seen china throwing its weight around in the region and being unhelpful on important issues that the u.s. worries about,