Rand Paul clashes with fellow Republican over AI 'kill switch' as Senate grapples with 'Terminator' fears

Sen. Rand Paul blocked Sen. John Kennedy's artificial intelligence bill that would have authorized a "kill switch" to shut down AI systems, according to Senate proceedings on December 15, 2025. Kennedy's bill proposed allowing officials to disable AI systems deemed to pose imminent risks. Paul objected to the measure without providing a public statement on his reasoning. The Senate has not advanced other AI regulation proposals amid divisions among Republicans and Democrats on oversight approaches.

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