Ken Paxton Defeats John Cornyn in Texas GOP Senate Primary Runoff
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Texas Attorney General Ken Paxton defeated incumbent U.S. Senator John Cornyn in the Republican primary runoff on May 26, 2026. Paxton's victory, secured with a last-minute endorsement from President Donald Trump, sets up a November general election against Democratic state Representative James Talarico. The race became the most expensive Senate primary in history.
Facts First
- Ken Paxton won the Republican nomination after defeating Senator John Cornyn by double digits.
- President Donald Trump endorsed Paxton late in the race, calling him 'a true MAGA Warrior'.
- The primary became the most expensive Senate primary ever, with Republicans spending $100 million.
- Paxton will face Democrat James Talarico in the November general election.
- A Democrat has not won statewide office in Texas since 1994, indicating a likely Republican advantage.
What Happened
Texas Attorney General Ken Paxton defeated four-term U.S. Senator John Cornyn in the Republican primary runoff election on Tuesday, May 26, 2026. The Associated Press called the race one hour after polls closed, with Paxton holding 63.2% of the vote against Cornyn's 36.8%. President Donald Trump endorsed Paxton on May 19, 2026, describing him as "a true MAGA Warrior." The primary contest was historically expensive, with Republicans spending $100 million.
Why this Matters to You
This primary result may signal a shift in the priorities of Texas's Republican Party, which could influence the types of policies and candidates you see advocated at the national level. The general election in November will determine who represents Texas in the U.S. Senate, a role that directly affects federal legislation on issues like taxes, border security, and voting rules. The outcome of that election could shape the balance of power in the Senate.
What's Next
Ken Paxton will face Democratic nominee state Representative James Talarico in the November general election. Given that a Democrat has not been elected to statewide office in Texas since 1994, Paxton appears likely to have a structural advantage. The campaign may now focus on this contest, with Paxton's primary super PAC already beginning to air ads aimed at raising questions about Talarico.