Pelosi's successor Scott Wiener says he'll push Congress to regulate AI

Scott Wiener has won the race to succeed Nancy Pelosi in Congress, with the Associated Press calling it for him on Friday. He's the California state senator who wrote the country's most closely watched frontier AI bills, and he told MIT Technology Review he wants Congress to pass AI rules with real teeth.

The seat matters for AI because of who's taking it. Wiener replaces Pelosi in the city's first competitive congressional race in nearly four decades. He's expected to take office in January 2027.

A comfortable margin

MIT Technology Review calls it a tight race, but the numbers probably look more comfortable than that. Supervisor Connie Chan conceded on Wednesday after a vote drop put Wiener ahead 55.5% to 44.5%. Axios later put the count at 54.6% to 45.4%. Either way, he won despite Pelosi's endorsement of Chan.

As far as I can tell, Pelosi isn't a player in the AI fight from here. What changes is that her old seat now belongs to someone who has made AI regulation a centrepiece of his career.

Wiener's wish list

In the magazine's interview, conducted a few hours after he was declared the winner, Wiener was already focused on AI risk. He pointed to a METR report that, the magazine says, was widely read as evidence Anthropic had reached recursive self-improvement, where AI meaningfully helps advance itself. He called that "very concerning" and said Congress isn't acting before the end of this year, as he'd hoped.

His list is specific. He told the magazine he supports a strong federal regulator (he cited a proposal from Representative Ro Khanna), whistleblower protections, testing and auditing requirements, and a kill switch requirement. He'd also like to join a select committee on AI if Democrats form one, something the magazine says they've discussed since September.

One position might surprise people who expect a Washington convert. As a longtime state legislator, he opposes broad federal preemption of state AI laws, which some proposed federal bills would require. His reasoning: states are laboratories and can move faster than Congress.

His record at the state level

The record is real. According to the magazine, SB 1047, which he authored in 2024, was set to become the first real piece of frontier AI legislation in the country before California governor Gavin Newsom vetoed it. He then sponsored SB 53, a lighter-touch bill that Newsom signed. The magazine adds that both bills have inspired proposed federal legislation.

The funding question

Not everyone's convinced he's an outsider to the industry. His campaign received over $3 million from Public First Action, a pro-regulation nonprofit that gets substantial funding from Anthropic, and opponents used that to accuse him of being too close to the AI industry. Wiener calls the attacks "shockingly cynical" and says Public First backed him because he regulated AI over Big Tech's objection.

I think both things can be true: he's a genuine regulator, and he's backed by one AI company's allies. Voters in his district clearly weren't put off, though that's my read, not something the vote tallies prove.

Obstacles in Congress

Wiener describes himself as only "cautiously optimistic" about Congress, given its record on regulating tech. He also worries about getting a bill past President Trump, who called catastrophic AI risk concerns a "hoax" in September, according to the magazine.

There's also a gap between his worldview and the public mood. The magazine says voters approved 40 of 41 anti-data-center ballot measures on Tuesday. Wiener doesn't see that as a vote for AI safety: he thinks people are mostly reacting to electric bills, water use and having a data centre near their homes. Axios, meanwhile, notes he arrives without the seniority, relationships or leadership posts that gave Pelosi her influence. That's a steep start, and I'd guess it slows him down more than his ideas do.

The stakes for people who use AI

Nothing changes for chatbot users right away. A freshman House member can't pass rules alone, and Wiener doesn't take office until January. If federal rules do come, the ideas he's backing (testing, audits, whistleblower protections) would likely land on the labs, not on people using their products.

Honestly, I'd treat his arrival as a signal about the debate rather than a forecast of new law. The things to watch are whether Democrats create that select committee, whether a federal regulator bill gains support, and whether preemption of state laws, which he opposes, ends up in any package.