Some Republicans expect helping Paxton keep the Texas seat red against Talarico will cost $250 million.

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.

Cornyn led the March primary with 42% of the vote, narrowly ahead of Paxton’s 40.5%, sending both to a runoff.