The impending summit between Chinese and US leaders forces a choice between global cooperation or continued rivalry. Despite scheduling adjustments, a swift diplomatic resolution appears unlikely before their meeting.

With the coming summit between Chinese President Xi Jinping and US President Donald Trump back on schedule for May, the two leaders present two starkly different paths for the world: one defined by a “community with a shared future” and the other driven by unpredictable impulses of rivalry and division. While Trump postponed the April summit to engage Xi without the distractions of the war he launched on Iran, a swift resolution before their meeting does not seem likely – despite the newly...