Xi has already shown his acumen by getting ahead of Trump and hosting Kim before the US leader's own North Korean tête-à-tête. His successful Winter Olympics diplomacy -- inviting Kim's sister and a handful of North Korean athletes and cheerleaders to attend -- broke the ice, allowing the thaw we are witnessing today. Will Kim demand that North Korea be treated as a nuclear-capable nation? With little more than bellicose bluster of military action in his pockets, Trump will get only one shot if Kim or Xi calls his bluff. That will be the moment his credibility is on the line -- and not just over North Korea.

Source: CNN March 29, 2018 17:37 UTC