Texas Attorney General Ken Paxton, who was endorsed by President Donald Trump, will defeat incumbent Sen. John Cornyn in the Republican Senate primary runoff, CNN’s Decision Desk projects.

A fiercely contested primary between Senator John Cornyn and Ken Paxton, the Texas attorney general, was upended in mid-May, when President Trump endorsed Mr. Paxton. See results from the March 3 primary › Winner Race called by The Associated Press.

After Jane Nelson’s unexpected resignation, local election leaders worry her successor could complicate midterm election administration. Gov. Greg Abbott hasn’t yet named a replacement.

As results are finalized in the May 2026 primary runoffs, the Nov. 3 general election matchups are being set.

The Texas primary runoffs are over and November election matchups are set in major contests, like one for the U.S. Senate, as the results deliver lessons for both parties.

Trump’s chosen Texas Senate candidate loses to Democrat derided as ‘Tofu Talarico’ in election poll shocker - A new poll shows James Talarico within the margin of error with Ken Paxton

Texas Senate candidate James Talarico is claming state election laws amount to voter suppression, vowing to out-organize GOP rival Ken Paxton in 2026.