Rep. Thomas Massie becomes latest GOP incumbent to fall in primary after Trump backs challenger

Updated on: May 19, 2026 / 11:43 PM EDT / CBS News

Rep. Thomas Massie becomes latest GOP incumbent to fall in primary after Trump backs challenger

TL;DR

  • Ed Gallrein, endorsed by Donald Trump, defeated Rep. Thomas Massie in Kentucky's 4th Congressional District Republican primary.
  • Massie, who has had public disagreements with Trump, conceded the race.
  • Trump allies, including Chris LaCivita and Steven Cheung, celebrated Massie's defeat as a show of Trump's political power.
  • The race was reportedly the most expensive House primary in history, with significant spending from pro-Israel interest groups.
  • Massie cited his opposition to legislation supported by Trump and most congressional Republicans, as well as his stance on foreign policy and the Epstein files, as reasons for his challenge.
  • Defense Secretary Pete Hegseth campaigned for Gallrein, emphasizing loyalty to Trump.
  • House Speaker Mike Johnson declined to endorse Massie, noting Massie's past criticism of him and the need for reliable votes.