To see where tech policy is going in the U.S., look west: California is escalating its push to regulate AI across multiple fronts.Why it matters: California's multi-pronged approach makes it likely that AI companies in the U.S. will treat the state's rules as a de facto national standard, even as the White House moves to rein in state regulation.It follows a familiar pattern: California acts first, companies adapt to keep doing business there and Congress dithers, eventually ceding its role to s...