Endorsed by Trump, Ed Gallrein defeats Rep. Thomas Massie in GOP House primary

Ed Gallrein, Republican congressional candidate for Kentucky, speaks on May 18 in Hebron, Ky. Jon Cherry/Getty Images North America

Jon Cherry/Getty Images North America

President Trump vanquished another perceived GOP foe Tuesday night as his chosen challenger, Ed Gallrein, defeated Kentucky Rep. Thomas Massie.

That's according to a race call by The Associated Press.

Gallrein made clear throughout his campaign that he would support the president's agenda unequivocally and accused Massie of siding with the "radical left" over his own party.

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Massie, who says he agrees with Trump more than he conflicts, has frequently acted as a Republican foil to the president's agenda.

He made national headlines as the Republican leading the fight, alongside California Democratic Rep. Ro Khanna, to call for the release of the Jeffrey Epstein files. He consistently opposed Trump's involvement in foreign conflicts, introducing war powers resolutions to block further U.S. hostilities. He was also one of two House GOP opposition votes on Trump's signature tax and spending package, the One Big Beautiful Bill.

Massie has called the race a "referendum" on whether his constituents want a candidate who is willing to stand up to the president when they disagree and vote principles over party. He said that it's not just the American people and pundits watching the outcome of his primary — it's also his colleagues.