Senator John Cornyn of Texas and Senator Bill Cassidy of Louisiana both lost their primary elections.

Nathan Dean predicts that the War Powers Resolution may pass the Senate, partly because senators Bill Cassidy and John Cornyn, who lost their primaries, will feel more emboldened to vote their way.

An April poll by the Texas Politics Project at the University of Texas at Austin found James Talarico leading John Cornyn by 7 points (40% to 33%) and Ken Paxton by 8 points (42% to 34%).

The Texas Republican Senate primary race has cost over $80 million.

President Donald Trump endorsed Ken Paxton over four-term incumbent John Cornyn in the Texas Republican Senate primary runoff.

In the March primary for the Texas Senate seat, John Cornyn beat Ken Paxton by approximately 1 percentage point, but neither candidate reached the 50% threshold to win the nomination outright.

In the Texas Republican Senate primary runoff, incumbent John Cornyn is facing State Attorney General Ken Paxton, who has been endorsed by President Trump.