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California Senate Approves AI Safety Bill SB 53 Targeting Companies Over $500M Revenue

California's state senate has approved AI safety bill SB 53, which targets large AI companies making over $500 million annually and requires safety reports, incident reporting, and whistleblower protections. The bill is narrower than last year's vetoed SB 1047 and has received endorsement from AI company Anthropic. It now awaits Governor Newsom's signature amid potential federal-state tensions over AI regulation under the Trump administration.