President Donald Trump, energized by recent primary victories against Republican critics, has signaled that more GOP lawmakers could face challengers backed by the president ahead of the 2028 election cycle.
The latest development came after Trump-backed candidate Ed Gallrein defeated Kentucky Representative Thomas Massie, a longtime critic of the president and opposition to key aspects of his agenda. White House communications director Steven Cheung recently stated on social media: “Do not ever doubt President Trump and his political power. F around, find out.”
Massie’s defeat follows another setback for a longstanding Trump adversary, Louisiana Senator Bill Cassidy, who failed to advance in his Senate race after years of conflict with the president over his vote to convict him following the January 6 Capitol attack.
Trump has since indicated potential primary targets within the Republican Party. These include Colorado Representative Lauren Boebert, whom he recently criticized on Truth Social while encouraging a challenger against her. Trump described Boebert as “weak-minded” and “very difficult” after she campaigned for Massie. Boebert has also faced criticism from Trump’s team for advocating the release of Jeffrey Epstein-related documents and supporting former Representative Bob Good during a 2024 primary challenge.
Kentucky Senator Rand Paul, another target, has been criticized by Trump for backing Massie and opposing his tax-and-spending legislation as well as the president’s decision to strike Iran. Ohio Representative Warren Davidson is also under consideration, with White House Press Secretary Karoline Leavitt previously stating that Trump believed he should face a primary challenge after initially opposing the president’s domestic policy bill. Davidson later supported Massie’s reelection effort.
On Wednesday, Trump criticized Pennsylvania Representative Brian Fitzpatrick for voting against him “all the time,” noting that such behavior does not “work out well.” Fitzpatrick and Massie were the only two House Republicans to oppose Trump’s tax and spending package. Fitzpatrick has also resisted Trump’s request for up to $220 million for a White House ballroom project.
White House Deputy Chief of Staff James Blair acknowledged Trump’s disagreements with some lawmakers but emphasized that the president “understands very clearly” there are areas where he will not tolerate disagreement. Trump’s allies claim his political operation is now significantly stronger and better funded than during his first term, with the anti-Massie super PAC effort led by Chris LaCivita and Tony Fabrizio—both senior advisers to Trump’s 2024 campaign.
A Kentucky GOP strategist noted that “Trump’s political operation was critical to the win” with ads described as “absolutely devastating and immensely impactful.” However, the president’s aggressive stance toward dissenting Republicans carries risks as Republicans maintain narrow congressional majorities. Cassidy has indicated he plans to oppose portions of Trump’s legislative agenda during his remaining time in office.
Additionally, Trump must decide whether to oppose South Carolina Representative Nancy Mace in June, who joined Massie and Boebert in pushing for the release of Epstein-related files.
