California Governor Gavin Newsom signed laws banning employers from using biometric data to predict workers' emotions, requiring written notice when AI causes mass layoffs, and barring firms from relying on AI to decide dismissals. Newsom, a Democrat who leaves office in January, said the state must act because of a lack of federal leadership and did not rule out calling a special legislative session on the issue. The move matters because California is home to much of the global tech industry, and its rules often shape wider debate while Washington has yet to pass comprehensive AI regulation.