Every previous public poll had shown the attorney general with a considerable lead over Texas’ incumbent senator.

Sen. John Cornyn has finally climbed within the margin of error against Texas Attorney General Ken Paxton in new, independent polling of Texas GOP primary voters. Why it matters: It's the first poll since outside groups spent millions of dollars on pro-Cornyn advertising,

As GOP rivals battle for the nomination, Democratic favorite Colin Allred still trails them both according to a new poll.