The high-stakes battle between the U.S. and China for supremacy in artificial intelligence has domestic lawmakers growing increasingly concerned over what losing out could mean for national security, the economy and American prosperity. But as the world’s two largest economies pour resources into the race for dominance in the field, there’s also collaboration afoot. Indeed, some AI experts even say that cross-border cooperation is key to getting the most out of advancements in computing. Engineers from Microsoft and China’s ByteDance, the parent of TikTok, are doing their part to advance that notion. Through a project called KubeRay, they’re working together...