President Donald Trump's tightening grip on his party could make it harder to win in the November midterms, when Republicans face a broader electorate that has soured on the president's second term and the economy.

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…

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

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.

Sen. John Cornyn is just the latest high-profile Republican incumbent to learn that in today’s GOP, conservative credentials are no match for Trump’s grip on the party.

Donald Trump vuelve a exhibir su dominio sobre el Partido Republicano. El fiscal general de Texas, Ken Paxton, ha ganado este martes la nominación republicana para el Senado de…

President Donald Trump has been showcasing his influence in Republican primaries, recently endorsing Ken Paxton in Texas.

President Trump's strong influence in Republican primaries presents a challenge for the party's upcoming midterm elections. Voters are reportedly unhappy with his economic…

Donald Trump's formidable influence within the Republican Party is undeniable, evidenced by his recent endorsement of Ken Paxton, who secured a primary runoff victory in Texas

The primary defeat of long-time Senator John Cornyn confirms Trump still has a grip on the party, but comes with huge political risks – and Democrats are excited.

President Donald Trump's tightening grip on his party could make it harder to win in the November midterms, when Republicans face a broader electorate that has soured on the…

Trump-backed candidates were largely victorious in May primaries, winning all but two races against incumbent Republicans. One of those contests is still too close to call.

The president suggested that Texas Attorney General Ken Paxton’s victory over veteran Sen. John Cornyn was a "prelude to the midterms."

President Donald Trump is as dominant as ever over the Republican Party. His grasp on the U.S. Senate is a different story.

Trump’s primary wins tighten his grip on GOP as midterm risks mount

Trump’s endorsement has proven to be the most effective tool to handpick a GOP nominee. What races are still at the fate of the president’s support?

Sen. John Cornyn is the second incumbent to lose a primary this cycle after Trump made a late endorsement of Texas Attorney General Ken Paxton.

He called affordability "a hoax," gas price increases "peanuts," and said he doesn't care about the midterms, but his preferred candidates keep winning.

Young men and Latinos who sent Trump to the White House are souring on him. But, Eric Garcia writes, Democrats have a lot of work to do to win them over

Trump’s pursuit of policies that drive up prices, including tariffs and war, might be punished in November’s elections