May 29, 2026

Senate Republicans rally behind Ken Paxton after his landslide runoff defeat of John Cornyn

One day after Ken Paxton crushed four-term incumbent John Cornyn by 28 points in the Texas Senate GOP runoff, the same Republican leaders who had backed Cornyn for months lined up to endorse the man they had spent the better part of a year trying to stop. The pivot was swift, coordinated, and, in at least one case, accompanied by a quiet scrubbing of the internet.

Senate Majority Leader John Thune, who in March called Cornyn "one of the most effective and respected conservative leaders" in the nation, went on The Hugh Hewitt Show Wednesday morning to announce he was all in for Paxton. Senate Majority Whip John Barrasso, who told reporters in March that he "fully" supported Cornyn, posted his endorsement of Paxton on X before the sun came up Wednesday. And the National Republican Senatorial Committee, chaired by Sen. Tim Scott, quietly deleted old statements attacking Paxton, including one from July 2025 headlined "Ken Paxton's Lies and Incompetence Keep Piling Up", leaving behind nothing but a 404 page.

The speed of the reversal tells you everything about where power sits in today's Republican Party. And for voters who sent Paxton to the general election by a margin that the Daily Caller described as wider than expected, the message is plain: Washington got the memo, even if it needed to be delivered twice.

The margin that forced the pivot

Neither Paxton nor Cornyn secured enough votes in the March 3 primary to avoid a runoff. But the rematch was never close. Paxton, the sitting Texas attorney general, won the Republican nomination decisively, becoming the first challenger to deny a sitting Texas Republican senator renomination. President Trump endorsed Paxton in the final week of the race, calling him a "true MAGA warrior." Trump also took a pointed shot at Cornyn, saying the senator "was not supportive of me when times were tough" and that "John was very late in backing me."

Paxton, for his part, made clear who deserved credit. In remarks after his victory, he said:

"When everyone in Washington told him to abandon me and abandon the people of Texas, he didn't listen. President Trump is the leader of our party, and his endorsement is the most powerful force in politics."

The final tally, reported by Newsmax, showed Paxton taking 62.5 percent to Cornyn's 37.5 percent, a 25-point spread that left no room for spin. Cornyn's defeat followed a pattern: Trump-opposed Republican incumbents in Indiana, Louisiana, and Kentucky had already fallen in recent cycles.

The result makes Cornyn the first Republican senator from Texas to lose the party's nomination for reelection, a distinction that underscores just how far the old guard has slipped in a state once considered its stronghold.

Endorsements and erasures

The endorsements rolled in fast. Sen. Bernie Moreno of Ohio appeared to be the first senator to back Paxton, posting moments after the Associated Press called the race. Moreno called Democratic nominee James Talarico "Beto 2.0" and "a far left freak who supports open borders, trans ideology, and even called the American flag a 'complicated symbol.'" He predicted Paxton would "crush the dreams of the out-of-state billionaires propping up his campaign."

Barrasso's endorsement on X was more measured in tone but no less direct. He framed the general election as a binary choice, calling Talarico "a far-left extremist" and "a rubber stamp for open borders, illegal immigrant criminals, and men playing in women's sports." Barrasso added that Paxton "will be a key member of our Senate Republican majority fighting for America First."

Then came Scott, who had backed Cornyn in April. His statement tried to honor both camps, praising Cornyn as a warrior for the party while pivoting to stand "united with President Trump, Ken Paxton, and Texans who want to protect our Republican Majority." Scott called Talarico "a disaster" whose "absurd agenda" Texans would reject in November. The broader pattern of Senate Republicans navigating internal divisions has been on display across multiple policy fights this session.

Thune's appearance on Hugh Hewitt's show Wednesday completed the leadership trifecta. The majority leader wasted no time on nostalgia for Cornyn:

"The Republican voters in Texas spoke last night, Ken Paxton is our nominee for November and we've got to pivot and go all in to make sure that we keep Texas red, that he wins, and that we keep a far-left liberal out of the United States Senate. And obviously that seat is going to be very key to our majority which will determine the future of this country."

Thune's use of the word "pivot" was telling. It acknowledged, however briefly, that the party's leadership had been facing the wrong direction.

The NRSC's disappearing act

Perhaps the most revealing move came not from any senator's mouth but from the NRSC's website. The committee, which Scott chairs, deleted statements bashing Paxton the day after his victory. Among the vanished material: a post criticizing Paxton's extramarital affair and the July 2025 broadside titled "Ken Paxton's Lies and Incompetence Keep Piling Up." Both pages now return 404 errors.

The deletions speak louder than any endorsement. A party committee that spent months building a public case against its own nominee decided overnight that the case no longer existed, or at least shouldn't be findable. Voters who followed the primary will remember what was said. The internet archive likely does, too.

This kind of institutional memory-holing is not unique to one party, but it is worth noting when it happens. The NRSC's job is to elect Republican senators. When the voters chose a nominee the committee had actively worked against, the committee chose to pretend the opposition never happened rather than explain the reversal. That is not accountability. It is convenience dressed up as unity.

Trump's grip tightens

Cornyn's defeat is the latest and most dramatic example of Trump's ability to reshape the Republican Senate caucus from outside it. Fox News reported that the victory came just one week after Trump's endorsement, following similar purges of senators in Indiana, Louisiana, and Kentucky who had opposed or criticized the president. Vice President JD Vance framed the result as a warning: "Trump's endorsement sends a message that lawmakers have got to serve the people who sent them to Washington or risk being out of step with voters and the president."

Thune himself conceded the broader dynamic. "It's hard to divorce anything that happens here from what's happening in political atmosphere around us," the majority leader told reporters, as Breitbart reported. That is a candid admission from the man who runs the Senate floor: the president's political gravity now shapes not just nominations but legislative priorities.

For conservatives who have watched establishment Republicans slow-walk the president's agenda or quietly undermine it, the Paxton result is a corrective delivered by the only mechanism that Washington truly respects, the ballot box. Cornyn served 23 years in the Senate. He chaired committees, brokered deals, and raised enormous sums. None of it mattered when Texas Republican voters decided they wanted someone who would fight harder.

The general election ahead

Paxton now faces Democrat James Talarico in November. Republican senators have already begun framing Talarico as a left-wing extremist, citing his positions on border security and his reported characterization of the American flag as a "complicated symbol." Democrats, for their part, are said to be cautiously optimistic about Paxton's nomination, though no Democratic officials' reasoning or direct quotes appeared in the available reporting.

Texas remains deep red in statewide elections, and Paxton will enter the general with Trump's full backing. But Paxton has also been embroiled in personal controversies, the same controversies the NRSC spent months highlighting before deleting the evidence. Whether those issues give Talarico an opening remains an open question.

Sen. Ted Cruz, who stayed neutral throughout the primary, is already moving to consolidate the party behind Paxton. Cruz is set to host a $3,500-per-person fundraiser for Paxton on June 2, a signal that even those who sat out the intraparty fight see the general election as a must-win for the Republican majority. Trump's ability to secure major policy victories depends in part on maintaining that majority through November.

The New York Post noted the scale of Paxton's win, describing it as a swamping of the incumbent. For a party whose leadership spent months warning that Paxton was the wrong nominee, the task now is to make sure he becomes the next senator from Texas.

What the reversal reveals

The speed with which Senate Republican leaders abandoned their position on Paxton is not, in itself, disqualifying. Politicians endorse nominees. That is how parties work. But the contrast between what these leaders said in March and what they said on Wednesday deserves to be recorded plainly.

In March, Thune said Cornyn was indispensable. In May, Thune said the voters spoke and it was time to "pivot." In March, Barrasso said he "fully" supported Cornyn. In May, Barrasso said Paxton had his "endorsement and support." In April, Scott backed Cornyn. In May, Scott said he stood united with Paxton and Trump. The broader pattern of Republican leaders recalibrating under political pressure has become a recurring feature of this Congress.

None of them explained what changed about Paxton between March and May, because nothing changed about Paxton. What changed was the vote count. And that is the real lesson of this race: Republican voters in Texas did not need Washington's permission to pick their nominee. They picked him anyway, by 28 points, and Washington fell in line before the confetti hit the floor.

The voters led. The leaders followed. In a healthy republic, that is exactly how it is supposed to work.

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