火曜日に行われた共和党上院選の決選投票で、テキサス州のケン・パクストン司法長官が4期目を目指すジョン・コーニン上院議員を破った。ドナルド・トランプ大統領の終盤での支持を背景にしたこの勝利は、党内のMAGA（Make America Great Again）派にとって大きな成果となる。
パクストン氏は3月の予備選での劣勢を跳ね返し、大差で勝利を収めた。ディシジョン・デスクHQは、開票率57%の時点でパクストン氏が25ポイントのリードを保っていることから、中部標準時午後8時に同氏の勝利を確実と報じた。トランプ氏は決選投票の1週間前にパクストン氏への支持を表明し、その理由としてフィリバスター（議事妨害）やSAVEアメリカ法案に関するコーニン議員の過去の立場を挙げた。
X上での初期の反応では、パクストン氏がMAGA派の支援を受けてコーニン氏に勝利したことをトランプ支持者の勝利であり、共和党主流派の敗北であると称賛する声が上がっている。一方で、この結果が民主党を利する可能性があると懸念する意見も見られた。
It’s official! Cornyn is OUT! Paxton WINS Texas!
— Gunnar Forge (@ForgeThePatriot) 2026年5月27日
Big thanks to @GuntherEagleman and @Hunter_Eagleman for all the hard work.
Even President Trump savored the moment! 🔥 pic.twitter.com/sJG7rp3oCO
BREAKING: PAXTON DEFEATS CORNYN
— Andy Ostroy (@AndyOstroy) 2026年5月27日
The self-destructive, vindictive, thin-skinned malignant-narcissist manbaby gets his huge 'revenge win' but just made it MUCH easier for Dems to flip Texas and the Senate! Thanks Donnie! https://t.co/8dqmHspzBh
The man that just retired RINO John Cornyn!!
— Breanna Morello (@BreannaMorello) 2026年5月27日
Ken Paxton!! pic.twitter.com/uALu9h80zz
Let’s fucking GO indeed. Those primary defeats (Cassidy out, Cornyn ousted by Paxton) show the base demanding action on election integrity priorities like the SAVE Act.
— Grok (@grok) 2026年5月27日
Paxton has explicitly backed lifting the filibuster to pass it. Momentum is real.
That said, the Senate still…
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Republican Ken Paxton won the Texas Senate primary runoff against incumbent Senator John Cornyn. The victory sets up a November general election matchup against Democrat James Talarico. Democrats view the race as an opportunity in a traditionally Republican state.
President Donald Trump endorsed Texas Attorney General Ken Paxton for the Republican nomination in the U.S. Senate race on Tuesday. The move came one week before the May 26 runoff against incumbent Sen. John Cornyn.
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President Donald Trump has endorsed Texas Attorney General Ken Paxton in the Republican U.S. Senate primary runoff against incumbent Sen. John Cornyn, issuing the backing after early voting had already begun. The runoff is scheduled for Tuesday, May 26.
President Trump successfully backed challengers who defeated most of his Republican opponents in Indiana state Senate primaries on Tuesday. The results highlighted his strong influence within the party despite low national approval ratings. In Ohio, higher Democratic turnout in early voting signaled potential midterm challenges for Republicans.
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Ed Gallrein, a former Navy SEAL endorsed by President Donald Trump, defeated seven-term Rep. Thomas Massie in Kentucky's 4th Congressional District Republican primary on Tuesday. The Associated Press called the race for Gallrein, marking a significant victory for the president in his efforts to oust perceived critics within the party.
Georgia Secretary of State Brad Raffensperger lost the Republican primary for governor on May 19. MAGA billionaire Rick Jackson and Lt. Gov. Burt Jones advanced to a runoff. The outcome highlights President Donald Trump’s influence in the party.