Trump and Xi dined with AI's biggest names. Here's what we know about tech talks so far - CNBC

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It's the morning after the night before, as the U.S. President Donald Trump hosted Chinese President Xi Jinping in a historic state dinner. Fricassée, sea bass and crémeux were all on the menu, as presumably, was a whole lot of chatter about AI.

Seated with the U.S. and Chinese presidential couples were Nvidia's Jensen Huang and his wife Lori Huang, SpaceX CEO Elon Musk and AMD's Lisa Su, as well as Apple's Tim Cook. OpenAI CEO Sam Altman and president Greg Brockman, Google cofounder Sergey Brin and Microsoft boss Satya Nadella were also all on the guest list.

Warnings around the existential risks of AI reaching fever pitch in recent weeks have pushed AI to the top of the global geopolitical agenda.