A US scholar’s take on how shifts in US-China relations are felt in a Tsinghua classroom

China and America are talking again. There are leaders’ meetings, phone calls and a new channel for discussing artificial intelligence. Officials are cautiously trying to keep the relationship from veering into crisis. And yet some of the hardest questions remain untouched. Neither side is giving much ground on advanced chips, export controls remain a battlefield and neither Washington nor Beijing appears ready to slow its race to develop increasingly powerful AI. So what, exactly, does it mean...