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OpenAI said it identified an attempted campaign to extract protected reasoning from its AI models, linking part of the activity to China's Moonshot AI, underscoring rising concerns about intellectual-property theft in the AI race. Separately, Senator Josh Hawley said OpenAI CEO Sam Altman declined to testify at a Senate subcommittee hearing on 'rogue AI,' convened following a series of AI-related cyberattacks and growing warnings about the technology's risks.