United States officials issued new warnings Friday about China’s ambitions in artificial intelligence and a range of advanced technologies that could eventually give Beijing a decisive military edge and possible dominance over healthcare and other essential sectors in the US. The warnings include a renewed effort to inform business executives, academics and local and state government officials about the risks of accepting Chinese investment or expertise in key industries, officials at the National Counterintelligence and Security Center said. While the centre does not intend to tell officials to reject Chinese investment, it will encourage efforts to control intellectual property and...