As the U.S. and China barrel ahead in their quest for AI supremacy , their race could come at the expense of global cybersecurity. Why it matters: The U.S. and China both have an interest in preventing each other from weaponizing AI tools against them or letting rogue systems into the wild. But it remains to be seen whether they can hold a productive dialogue around AI security norms or trust the other to abide by them. Driving the news : President Trump is expected to discuss AI guardrails with Chinese President Xi Jinping in Beijing this week, U.S. officials told reporters Sunday. "We want to take this opportunity with the leaders meeting to open up a conversation and see if we should establish a channel of communication on AI matters," one official said. Between the lines: The U.S. is using export controls to slow China's AI progress, but U.S. officials increasingly recognize that the two countries may still need shared rules of the road for how the technology is deployed.…