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In the entire landscape of the 2026 California Republican primary, there is only one race where two sitting GOP House incumbents are running against each other. And it has descended, with remarkable speed, into something that tells you everything about the fractures inside the Republican Party — and almost nothing that is pleasant. Representative Ken
In the entire landscape of the 2026 California Republican primary, there is only one race where two sitting GOP House incumbents are running against each other. And it has descended, with remarkable speed, into something that tells you everything about the fractures inside the Republican Party — and almost nothing that is pleasant.
Representative Ken Calvert, the longest-serving Republican in California’s congressional delegation, is calling his colleague Young Kim a “traitor” to President Trump. Kim, running in the same redrawn California 40th Congressional District as Calvert, has rebranded herself a “Trump Republican” and is accusing Calvert of “sabotaging President Trump’s agenda.” Both are Republicans. Both voted for Trump. Both will survive the June 2 primary only if they can convince Republican voters in a district with a nearly nine-point GOP registration advantage that the other one is secretly a Democrat.
This is what a Trump loyalty rift looks like when redistricting forces it into a single zip code.
How Two Incumbents Ended Up in One District
The collision was engineered from Sacramento. Governor Gavin Newsom pushed California’s Proposition 50 redistricting amendment through in November 2025 with an explicit goal: flip five additional GOP House seats to Democrats by redrawing the congressional map. The redrawn boundaries pushed Calvert’s 41st District and Kim’s 40th District into overlapping territory, creating California’s 40th as a combined seat that neither incumbent could vacate without surrendering their congressional career.
As The Washington Post reported, the result is a “nasty fight over Trump loyalty” between two Republicans who, under normal circumstances, would never have faced each other. Ten candidates total are running in the June 2 primary — five Democrats and an independent included — but California’s top-two system means only the two leading vote-getters advance. Given the district’s Republican tilt, it will almost certainly be Calvert and Kim, fighting over which of them is the real Trump loyalist, who proceed to November.
The Loyalty War: Calvert’s Attack, Kim’s Pivot
Calvert’s central weapon is a 2021 vote. Kim voted to censure Trump over January 6 — a vote that, four years later, Calvert is running ads about in heavy rotation, calling Kim a “Trump betrayer” and, most pointedly, a “traitor.” Past video clips of Kim criticising Trump have been circulated by Calvert’s campaign with the kind of sustained commitment usually reserved for opposition researchers working against the other party.
Kim’s counter-pivot has been total. Her website now leads with her commitment to “stand with President Trump.” She has dubbed herself a “Trump Republican” — the precise language of the NRCC’s rebranded recruitment programme, which has replaced its old “Young Guns” framework with “MAGA Majority” in recognition of the 2026 electoral reality. She accuses Calvert of being “in lockstep with Nancy Pelosi” — an accusation Calvert’s campaign calls fabricated — and of “serving himself” rather than the district.
Both candidates, in other words, are running as Trump. The question for Republican voters on June 2 is which Trump.
The Strait of Hormuz and Oil Prices Rise: The Economic Backdrop No One Can Escape
The loyalty fight is playing out against an economic backdrop that is making every Republican incumbent in California uncomfortable in ways that transcend any personal rivalry. California’s average gasoline price hit $6.145 per gallon in late April 2026 — the highest in the nation, the highest since 2022, and a direct consequence of the Strait of Hormuz closure that has been in force for 84 days since the US launched Operation Epic Fury against Iran on February 28.
California imports roughly 60 percent of its crude oil from overseas — making it structurally more exposed to oil prices rise events triggered by Middle East supply disruptions than almost any other state. With Brent crude sitting above $104 and the Strait of Hormuz carrying only 167 commercial vessels where 3,000 once transited monthly, California drivers are paying the most visible domestic price of a war that the Senate voted 50-47 to restrain last week.
As Bloomberg’s midterm analysis assessed plainly: “Iran War: High gas prices will haunt Republicans in 2026 midterms.” Newsweek’s polling found that 37 percent of Republicans now disapprove of Trump’s economic handling — a record high — and 30 percent disapprove specifically of his Iran management. In Orange County and Riverside County, where Calvert and Kim are competing for the same Republican voters who are filling their tanks at $6 a gallon, those numbers are not abstract.
Neither candidate has made the Strait of Hormuz or oil prices rise the centrepiece of their mutual attacks — the battle is fought primarily on the terrain of Trump loyalty signalling, not Iran war policy. But the economic pressure created by 84 days of closed straits, $110 Brent crude, and California’s structural import dependence is the invisible third candidate in every Orange County kitchen table conversation.
What the Race Reveals About the Party
The Calvert-Kim primary is a microcosm of the broader Republican condition in 2026. Four GOP House Senate colleagues — Collins, Murkowski, Paul, and Cassidy — broke with Trump on the war powers resolution last week. The House pulled its own planned war powers vote when leadership couldn’t guarantee the numbers. California’s redistricting, engineered by Newsom to extract maximum Republican damage, has created a race where two incumbents are destroying each other’s loyalty credentials while $6 gas burns quietly at every Costco in the district.
The NRCC’s rebranding from “Young Guns” to “MAGA Majority” tells the same story in institutional terms: the party has decided that Trump fidelity is the only viable electoral currency in 2026, even as the economic costs of Trump’s most consequential foreign policy decision — a war that closed the Strait of Hormuz and sent oil prices rise to four-year highs — are being paid at the pump by the very voters Republicans need to turn out in November.
In California’s 40th Congressional District on June 2, the result will not resolve that contradiction. It will simply determine which of the two Republicans who embody it advances to fight it out in November.


