Texas Republicans will have their most consequential primary contest in 15 years, when incumbent Sen. John Cornyn tries to stave off a challenge from Texas Attorney General Ken Paxton. The family fight features two of the biggest names in Lone Star politics and could reshape,

Texas Attorney General Ken Paxton fired back at U.S. Senator John Cornyn days after he rebuked Paxton for letting Harris County Judge Lina Hidalgo "off the hook," saying his office did not have the evidence needed to further the investigation into three of Hidalgo's former aides.

Both candidates for the March 2026 primary come out swinging as the early jockeying for one of the top political prizes in Texas gets under way.