Ken Paxton Secures Texas GOP Senate Nomination, Defeating John Cornyn

In a significant political shift, Texas Attorney General Ken Paxton has won the Republican nomination for the U.S. Senate, defeating incumbent John Cornyn. This victory, backed by Donald Trump, highlights the ongoing transformation within the Republican Party as it grapples with internal divisions. The primary race was notably expensive, reflecting the high stakes involved. As Texas voters also participated in various House primary contests, the implications of this election extend beyond the Senate, raising questions about the future of Republican control in the state.

By Narendra Chaudhary May 27, 2026, 06:53 IST

Paxton's Victory in Texas Senate Race

On Tuesday, Texas Attorney General Ken Paxton emerged victorious in the Republican primary for the U.S. Senate, overcoming incumbent Senator John Cornyn. This win signifies another triumph for candidates endorsed by Donald Trump, who had thrown his support behind Paxton just a week prior, as he seeks to reshape the Republican Party to align more closely with his agenda.

Paxton, a staunch Trump ally and a key figure in the party's conservative faction, is the latest challenger backed by Trump to unseat a long-standing Republican incumbent. Cornyn, who has served four terms, had cautioned during his campaign that Paxton's nomination could jeopardize the Republican hold on the seat in the upcoming November elections. Notably, no Democrat has secured a Senate seat in Texas since 1988.

The primary race became the most costly Senate contest in the U.S. since at least 2018, highlighting the significant rifts within the Republican Party. Trump has recently backed various initiatives aimed at ousting Republicans perceived as not sufficiently loyal to him. In recent weeks, candidates supported by Trump have successfully challenged or targeted Republican figures in states such as Kentucky, Louisiana, Indiana, and Georgia.

Trump's decision to oppose Cornyn faced backlash from some Senate Republicans, especially after tensions arose last week regarding aspects of Trump's legislative priorities. In addition to the Senate race, Texas voters were also casting ballots in several Republican primary elections for the U.S. House of Representatives, following contentious congressional redistricting efforts. Texas has sparked a broader national conversation about gerrymandering after implementing mid-decade adjustments to congressional maps designed to help Republicans retain control of the House.