China continues to publicly back Russia despite the Feb. 24 invasion of Ukraine. But the conflict is exposing Beijing and Moscow’s competing visions for the future of Eurasia, which will continue to stress their relationship. China sees the continental area as a broad corridor of trade routes linking the Pacific and the Atlantic. But Russia’s assertion of its sphere of influence along its western frontier challenges this view by risking a more permanent rift between Moscow and Europe. Talk of new Cold War dynamics undercut China’s ability to create economic and political links across Eurasia through its Belt and Road infrastructure investments. ...