Republican state Sen. Mayes Middleton is jumping into the 2026 race to replace Attorney General Ken Paxton, who is pursuing a U.S. Senate run, and will self-fund his campaign to the tune of $10 million.

Texas Attorney General Ken Paxton's entry into the U.S. Senate race against incumbent John Cornyn could serve as a litmus test for a Republican party in flux. "It's an establishment versus an insurgent campaign,

Texas Attorney General Ken Paxton on Tuesday night announced a primary challenge against longtime Sen. John Cornyn, setting the stage for a battle between two politicians representing different parts of the Republican Party.