Carnegie China AI Initiative's @Scott_R_Singer explains why the most realistic Trump-Xi AI deal may be a crisis hotline for when US or Chinese agents wander into each other’s sensitive systems: "There's a lot of uncertainty still. A grand bargain, an international treaty is definitely not where the administration is, and even if they were, it's not how diplomacy actually plays out. What I'd be thinking about is, are there low-hanging fruit areas where the US and China each have their own…