Texas Attorney General Ken Paxton remains firmly in the Republican primary runoff for the U.S. Senate seat against incumbent John Cornyn, scheduled for May 26, with the ballot withdrawal deadline passing on March 17 without his exit despite earlier speculation tying it to GOP passage of the SAVE Act voter ID bill. Active campaigning, including a recent ad blitz and candidate Q&A, signals commitment amid President Trump's pending endorsement, which could sway the closely contested race after neither candidate secured a March primary majority. Recent legal victories, such as a jury trial win and U.S. Supreme Court defense of Texas's congressional maps for 2026 elections, bolster trader consensus on his continuation, though a late Trump endorsement for Cornyn or unforeseen scandal could shift dynamics before runoff day.