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.

A district court judge has ruled in favor of four whistleblowers who said that Texas Attorney General Ken Paxton retaliated against them for reporting bribery allegations, awarding his employees more than $6 million combined in damages.