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Aug 08, 2026

What Kind of President Would Gavin Newsom Make If Elected in 2028?


California Democratic Gov. Gavin Newsom is having a brutal stretch.

Last month, Newsom was forced to respond after Ruby Rippey, a former aide with whom he had an extramarital affair more than two decades ago, publicly offered new details about the relationship.

Newsom and his wife are also facing increased scrutiny over his extensive use of “behested payments” as federal investigations related to the governor’s orbit, including an inquiry involving First Partner Jennifer Siebel Newsom, continue to attract attention.

Now, Newsom is scrambling after California Democrats bucked his position on a major tax proposal.

California Democrats exposed a deep internal fracture this month when the party’s executive board voted to endorse a punitive one-time 5 percent tax on the state’s roughly 200 billionaires, openly defying both term-limited Newsom and Democratic gubernatorial candidate Xavier Becerra.

The decision gave Proposition 40, formally known as the California 2026 Billionaire Tax Act, the California Democratic Party’s official endorsement ahead of the November 3 ballot.

The endorsement cleared the required 60 percent threshold during the party’s general session in San Diego.

The outcome lays bare a widening rift between the party’s elected leadership and its activist base over how aggressively Sacramento should target private wealth.

Newsom has consistently rejected a state-level wealth tax, warning that California would hand a competitive advantage to lower-tax states if it acted alone. Billionaires, he argues, can simply move.

He has instead pushed for federal tax changes targeting billionaires, arguing that a national approach would reduce the incentive to relocate between states.

Becerra staked out similar territory before the party vote, announcing his positions on several November measures.

He backed Proposition 3, which would permanently extend existing high-earner income-tax rates for education funding, but pointedly opposed the billionaire levy.

The party’s executive board rejected the position taken by both men.

That puts the party’s rank-and-file activists in direct conflict with the sitting governor and the Democratic candidate seeking to succeed him.

In a state where Democrats control every major statewide office and both legislative chambers, the split is unusually stark.

Newsom and Becerra are not fighting Republicans; they are fighting their own party’s left wing.

Proposition 40’s chief advocate is Dave Regan, president of SEIU United Healthcare Workers West.

Supporters cast the tax as essential to replace what they say are roughly $100 billion in federal healthcare cuts over five years under the Trump administration.

They project the levy would raise an estimated $100 billion from California’s roughly 200 billionaires.

Outside endorsements have come from Sen. Bernie Sanders, Rep. Ro Khanna, AFSCME California, and Teamsters California.

The California State Council of Laborers opposes the measure.

The California Police Chiefs Association has also come out against it.

Even SEIU California’s statewide executive board—the broader labor organization that includes the affiliate driving the campaign—recently voted to remain neutral.

California already maintains the nation’s highest top marginal individual income tax rate.

Google co-founder Sergey Brin, ranked as the world’s fourth-richest person with an estimated net worth of about $284 billion at the start of this week, has now poured $102 million into efforts aimed at defeating California’s proposed billionaire tax.

His latest contribution of $20 million went to Building a Better California, a group backing ballot measures that could block Proposition 40.

Prop. 40, the so-called billionaire tax set for the November ballot, would impose a one-time 5% levy on the net worth of roughly 200 ultra-wealthy residents of the Golden State.

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