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By Aurax Desk | May 27, 2026 | 2 min read
Texas Attorney General Ken Paxton defeated longtime U.S. Sen. John Cornyn in one of the most closely watched Republican primaries of the 2026 election cycle, reshaping the political landscape in Texas and strengthening former President Donald Trump’s influence within the Republican Party. The result marked a significant setback for the party’s traditional establishment wing as conservative voters rallied behind a candidate closely aligned with Trump and the MAGA movement.
Texas Attorney General Ken Paxton speaks to supporters following his victory in the Republican Senate primary election in Texas.
Texas Republicans voted Tuesday to replace Cornyn, a four-term senator and former Senate Republican whip, with Paxton after a bitter campaign focused on loyalty to Trump, immigration and the future direction of the Republican Party. The race became one of the nation’s most closely watched primary contests as Trump-backed candidates continued challenging established Republican incumbents ahead of the 2026 midterm elections.
Paxton entered the race with strong support from conservative activists despite years of legal and political controversy, including his 2023 impeachment trial in the Texas Senate. Trump’s endorsement strengthened his standing among Republican primary voters, many of whom viewed Paxton as a stronger ally of the former president’s political agenda. Cornyn campaigned on his long record in Washington and conservative legislative achievements but struggled to overcome criticism from the party’s populist wing.
Sen. John Cornyn campaigns in Texas during the final days of a closely contested Republican primary race.
The result highlighted continuing divisions within the Republican Party as Trump maintains significant influence over GOP voters. Democrats also closely monitored the race as Texas remains a key political battleground despite decades of Republican statewide dominance. Paxton is now expected to shift his attention toward the general election campaign while Republican leaders assess the broader implications of Cornyn’s defeat for Senate races across the country.
Sources: Information in this report was based on reporting by the Associated Press, Reuters, Fox News and The Washington Post.