Ken Paxton Defeats John Cornyn in Texas Republican Senate Primary Runoff
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Texas Attorney General Ken Paxton has defeated incumbent Senator John Cornyn in a Republican primary runoff, setting up a general election contest against Democrat James Talarico. The race, already the second most expensive in the country this year, saw a late endorsement from former President Donald Trump for Paxton. Following the result, a major political forecaster has shifted its rating for the Texas Senate seat from 'Likely Republican' to 'Lean Republican'.
Facts First
- Ken Paxton defeated Senator John Cornyn in the Republican primary runoff for the U.S. Senate seat.
- The general election will feature Paxton against Democrat James Talarico, a state representative.
- Cook Political Report changed its rating for the Texas Senate race from 'Likely Republican' to 'Lean Republican' after the primary.
- The race is the second most expensive in the country, with over $108 million spent, mostly by Republicans.
- Donald Trump endorsed Paxton during early voting, describing him as 'a true MAGA Warrior'.
What Happened
Texas Attorney General Ken Paxton defeated four-term U.S. Senator John Cornyn in a Republican primary runoff election on Tuesday, May 26, 2026. The Associated Press called the race for Paxton approximately one hour after polls closed. Paxton will now face Democratic nominee, state Representative James Talarico, in the November general election. The primary became the most expensive Senate primary in history, with Republicans spending over $100 million. Former President Donald Trump endorsed Paxton last week while early voting was underway.
Why this Matters to You
If you live in Texas, you will have a new choice for U.S. Senator in November between Republican Ken Paxton and Democrat James Talarico. The outcome of this race could influence which party controls the closely divided Senate, affecting national policy on issues from healthcare to immigration. The intense spending and focus on Texas also means you are likely to see a high volume of political advertising in the coming months. A recent poll indicated that nearly 1 in 5 voters had not decided between a Republican and Talarico, suggesting your vote could carry significant weight in what is typically a Republican state.
What's Next
Paxton and Talarico will now campaign for the November general election. Political analysts will be watching to see if the expensive and divisive Republican primary impacts party unity and voter turnout. The Cook Political Report's rating change suggests the general election contest may be more competitive than usual for Texas. Republicans are forecast to win 3-5 U.S. House seats in Texas, but the Senate race appears to be tightening.