china has promised the game to every previous president. and now they're hoping that they'll have a heavy blow. leland: is the issue that china doesn't have the ability or they don't think it's worth it? >> it's a little bit of both. they have the economic engagement with north korea. they fear any increase in pressure could cause an explosion of north korea latching out or inability with regime collapse. leland: they're not the ones threatened with the north korean weapons. you've noticed that part of the team is ex-officials that have the talks before the talks. i want your thoughts on charles lane and the piece he wrote. if the past 25 years taught three generations of kims anything, potentially adversaries are divided and will tolerate threats and blackmail