Texas Senate Runoff: Trump Endorses Paxton vs. Cornyn

The Texas Republican Senate runoff is happening now, with Donald Trump endorsing Ken Paxton over John Cornyn. This is a key race for the GOP.

Runoff Election Details Emerge Amidst Fierce Intra-Party Struggle

The Texas Republican Party finds itself at a critical juncture as it heads into a primary runoff election for the U.S. Senate seat. The contest pits incumbent Senator John Cornyn against Attorney General Ken Paxton, a race increasingly defined by its internal divisions and the potent influence of former President Donald Trump. Trump's endorsement of Paxton has significantly amplified the stakes, reshaping the dynamics of what is described as "a battle for the soul of the Texas Republican Party." The runoff's outcome will not only determine the Republican nominee but also signal the enduring strength of Trump's sway within the state's GOP establishment.

5 Big Moments in the Texas Republican Senate Race - 1

The critical runoff election is currently underway, with voters deciding between two prominent Republican figures: the established incumbent, Senator John Cornyn, and the challenger, Attorney General Ken Paxton.

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5 Big Moments in the Texas Republican Senate Race - 2

Trump's Endorsement Shifts the Landscape

President Donald Trump's late-stage endorsement of Ken Paxton has dramatically intensified the race, with Paxton framing the backing as a direct consequence of his steadfast loyalty to Trump and his alignment with specific policy initiatives, such as the termination of the legislative filibuster. This endorsement, which followed a period of Trump appearing to hesitate, has been a defining moment, propelling Paxton forward and forcing Cornyn and his allies to publicly address the ramifications of facing a Trump-backed opponent. Cornyn's campaign, in response, has cautioned that Paxton's candidacy could jeopardize the Republican Party's hold on the Senate seat.

Voter Access and Runoff Mechanics

Voter participation in the upcoming runoff is subject to specific rules, which could influence the final results. Voters who did not participate in a party primary on March 3 are eligible to vote in either the Republican or Democratic runoff. However, individuals who cast a ballot in a party primary are restricted to voting in the runoff of that same party. This distinction in eligibility may play a role in turnout numbers and the ultimate composition of the voting electorate in this crucial contest.

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Background: A Race Reflecting Broader GOP Divisions

The Texas Senate Republican primary has become a microcosm of the broader divisions within the Republican Party, serving as a litmus test for Donald Trump's influence. Paxton, characterized as a "MAGA loyalist," secured Trump's backing over Cornyn, who represents a more traditional, established wing of the party. This ideological clash underscores a significant tension between different factions of the Republican base, with figures like James R. Lankford and Mike Lee endorsing Cornyn, while others, including Senator Ted Cruz, have remained notably silent or cautiously aligned. The campaign has seen considerable spending, with Cornyn's allies investing millions to highlight his support for Trump's policies, attempting to counter Paxton's direct appeal to the former president's supporters. The primary itself featured challengers like Don Huffines and Kathaleen M. Harris, who added further layers to the intra-party debate. The general election is anticipated to feature a contest between the Republican nominee and Democrat Colin Allred.

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Frequently Asked Questions

Q: Who is running in the Texas Republican Senate runoff election?
The runoff election is between incumbent Senator John Cornyn and Attorney General Ken Paxton. Voters will decide which Republican will be the party's nominee for the U.S. Senate.
Q: Why is Donald Trump's endorsement important in the Texas Senate runoff?
Donald Trump has endorsed Ken Paxton, which has increased the importance of the race. Paxton is seen as a "MAGA loyalist," while Cornyn represents a more traditional wing of the party.
Q: When is the Texas Republican Senate runoff election?
The runoff election is taking place today, May 28, 2026. Voters who did not vote in a primary can vote in either party's runoff, but those who did vote in a primary must vote in that same party's runoff.
Q: What are the main issues in the Texas Senate runoff?
The race reflects divisions within the Republican Party and the influence of Donald Trump. Cornyn's campaign has warned that Paxton's candidacy could harm the party's chances of holding the Senate seat.