Ken Paxton wins Texas primary election: Results and key takeaways Trump-backed Paxton beat Cornyn, making him the first Texas Republican senator to lose renomination.Share this: Trump-backed Paxton topples senator Cornyn in Texas primaryDateMay 27, 2026In relation toAl-JazeeraTexas Senate candidates Paxton and Talarico make final appealsDateNovember 2, 2026In relation toAl-JazeeraTrump-backed Paxton topples Senator Cornyn in Texas primary run-offDateMay 26, 2026In relation toAl-Jazeera