The vast majority of the $109 million in campaign ad spending is tilted toward John Cornyn.

Trump endorses Ken Paxton in Texas Senate runoff, attacks opponent, and pushes voter ID and election security agenda ahead of Tuesday vote.

Texas Republican Senate candidates Sen. John Cornyn and state Attorney General Ken Paxton are going to be scarcely visible in public on the last day of campaigning ahead of…

The vast majority of the $109 million in campaign ad spending is tilted toward John Cornyn.

Texans are choosing a Republican nominee for U.S. Senate. The election brings to a close a bitter and expensive primary.

PLANO, Texas (AP) — Texans are choosing a Republican nominee for U.S. Senate in Tuesday’s runoff election, bringing to a close the extended, bitter and expensive primary where…

Texas Republican Senate candidates Sen. John Cornyn and state Attorney General Ken Paxton had no public campaign events on the last day before Tuesday's runoff.

President Donald Trump abandoning Sen. John Cornyn destabilizes the White House's already-rocky relationship with Senate Republicans.

Trump’s decision to back state Attorney General Ken Paxton against GOP Sen. John Cornyn jolted the Republican Senate primary in Texas.

Sen. John Cornyn’s uphill battle for renomination from his party reaches its conclusion Tuesday. Cornyn’s race against state Attorney General Ken Paxton was considered highly…

Trump endorsed Attorney General Ken Paxton over incumbent Sen. John Cornyn in the Texas Senate race.

A race to decide which Republican, John Cornyn or Ken Paxton, will face off against the Democrat James Talarico, in November, and both parties are picking candidates for House…

A race to decide whether John Cornyn or Ken Paxton will face off against the Democrat James Talarico, in November.

Sen. John Cornyn is facing off against Texas Attorney General Ken Paxton, who received President Trump's endorsement.

Vote for Republican nomination is latest test of President’s grip over GOP

Texas Sen. John Cornyn is facing Texas Attorney General Ken Paxton in today's GOP Senate runoff after neither candidate secured enough votes in the March primary to win the…

Texans are choosing a Republican nominee for U.S. Senate.

Texans are choosing a Republican nominee for U.S. Senate.

Donald Trump's power over Republican voters faces another test Tuesday in Texas, where veteran Senator John Cornyn is fighting long odds after the president endorsed…

President Donald Trump's endorsements loom large over Tuesday's runoff elections in Texas with longtime Sen. John Cornyn facing Trump-pick Ken Paxton.

Texans will vote Tuesday in a U.S. Senate primary runoff where incumbent four-term Sen. John Cornyn is facing Texas Attorney General Ken Paxton, in an expensive, drawn-out race…