President Joe Biden held the final meeting of his term with Chinese leader Xi Jinping over the weekend, and the pair walked away with an agreement not to allow artificial intelligence to control nuclear weapons. But their joint statement amounts to a handshake deal — just as President-elect Donald Trump is poised to return to the White House. On POLITICO Tech, Gregory Allen from the Center for Strategic and International Studies joins host Steven Overly to explain why the deal matters and what doubts about AI-powered weapons remain.

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