Trump goes after GOP foes in Louisiana, Kentucky primaries

Summary of Trump goes after GOP foes in Louisiana, Kentucky primaries

by NPR

22m•May 18, 2026
Listen to Episode

Overview of Trump goes after GOP foes in Louisiana, Kentucky primaries

This NPR Politics Podcast episode examines how Donald Trump is using primary elections to punish Republicans who’ve opposed him, or simply failed to show enough loyalty. The discussion centers on two major contests: Sen. Bill Cassidy’s collapse in Louisiana and Rep. Thomas Massie’s high-stakes primary fight in Kentucky, alongside the open Kentucky Senate race created by Mitch McConnell’s retirement.

Louisiana: Bill Cassidy’s political punishment

What happened

  • Sen. Bill Cassidy, one of the Republicans who voted to impeach Trump in 2021, finished third in Louisiana’s GOP primary.
  • Cassidy got 24% of the vote and failed to make the runoff.
  • Trump-endorsed Rep. Julia Letlow led with 44%.
  • State Treasurer John Fleming finished second with 28% and advances to the runoff.

Why it matters

  • The panel sees Cassidy’s result as a clear example of Trump’s revenge politics working inside the GOP.
  • Cassidy had already angered MAGA-aligned voters through high-profile clashes over:
    • Robert F. Kennedy Jr.’s confirmation path
    • Casey Means’ Surgeon General nomination
    • broader resistance to Trump-aligned priorities

Closed primary effect

  • Louisiana’s switch from an open to a closed primary likely made it harder for Cassidy to benefit from crossover voters, independents, or Democrats.
  • The hosts note that the change effectively functions as a purity test, favoring more Trump-aligned Republicans.

Kentucky House race: Trump targets Thomas Massie

Why Trump is invested

  • Rep. Thomas Massie has long been an independent-minded Republican and frequent thorn in Trump’s side.
  • He opposed Trump-backed legislation, including the major tax-and-spending package.
  • He has also challenged Trump on:
    • war powers
    • executive authority
    • the push for transparency around the Epstein files

Trump’s hand-picked challenger

  • Trump recruited Ed Gallrein (described as a former Navy SEAL officer and political newcomer) to take on Massie.
  • Trump made clear he wanted “somebody with a warm body to beat Massie,” underscoring how personally invested he is in the race.

Campaign dynamics

  • The race has become a test of:
    • loyalty to Trump
    • ideological independence
    • whether Kentucky Republicans still reward maverick-style politicians
  • Gallrein has run a well-funded, high-visibility campaign, while Massie has tried to frame himself as consistent and principled rather than obstructionist.

Spending levels

  • The race has drawn unprecedented money for a House primary:
    • About $33 million in TV ad spending, the most ever for a House primary on record so far.
    • Trump-backed MAGA spending: roughly $7 million
    • Pro-Israel groups, including AIPAC-aligned and Republican Jewish Coalition efforts: more than $9 million combined

Attack themes

  • Ads against Massie label him a traitor and deserter.
  • Many use AI-generated imagery and tie him to left-wing Democrats like Ilhan Omar and Alexandria Ocasio-Cortez.
  • Massie has tried to soften the blow by emphasizing that he agrees with Trump “a whole lot more than” he disagrees with him.

Kentucky Senate race: open seat after McConnell

Republican field

With Mitch McConnell retiring, Kentucky has its first open Senate seat in more than 40 years.

Main GOP contenders discussed:

  • Andy Barr — longtime House member, endorsed late by Trump, currently seen as the frontrunner
  • Daniel Cameron — former attorney general and former gubernatorial candidate, now trying to present himself as more libertarian and anti-establishment
  • Nate Morris — businessman who dropped out after Trump floated him an ambassadorship

Political backdrop

  • Kentucky still has a strong libertarian streak, especially in the north.
  • Rand Paul is backing Massie, defying Trump and reinforcing the state’s tradition of independent-minded Republicans.
  • The hosts note that McConnell himself has increasingly drifted from the old GOP establishment model, even though he spent much of his career as its architect.

Democratic side: long-shot hopes, familiar names

Democrats running

  • Charles Booker — progressive former state legislator
  • Amy McGrath — moderate, former fighter pilot and past Senate candidate
  • Dale Romans — centrist and newcomer

Democratic strategy

  • Democrats are trying to make the race about affordability and everyday economic concerns:
    • gas prices
    • inflation
    • household budgets
    • opposition to spending on foreign conflict
  • They hope that a Trump-heavy environment plus an open seat could create a chance, even though Kentucky remains strongly Republican in federal races.

Reality check

  • The Cook Political Report still rates the Kentucky Senate race as solid Republican.
  • Kentucky has not elected a Democrat to the U.S. Senate since 1992, despite electing Democratic Gov. Andy Beshear.

Bigger takeaways

Trump’s grip on the GOP remains strong

  • Both races show Trump’s continued ability to shape Republican primaries and punish dissent.
  • The message to GOP lawmakers is clear: loyalty matters, and independence can be costly.

But Kentucky also shows internal Republican tension

  • Kentucky Republicans have a strong tradition of libertarian and maverick politics.
  • There is still a constituency for candidates who resist total party discipline, even if Trump’s influence may now be overpowering that instinct.

The broader question

  • The episode ends by framing these races as part of a larger question: What happens to the Republican Party after Trump?
  • Trump cannot run again in 2028, but the policies, style, and loyalty tests he imposed are likely to shape the party for years.

Notable line

  • Trump on Massie: “Give me somebody with a warm body to beat Massey.”
  • Massie’s defense: he says he agrees with Trump on most issues, but won’t compromise on the rest.

Bottom line

This episode argues that Trump is still using primaries to enforce loyalty across the GOP. Cassidy’s collapse in Louisiana shows the cost of defying him, while Massie’s Kentucky race tests whether there is still room in the party for independent conservatives. The open Kentucky Senate seat adds another layer, offering a preview of how the Republican Party may look as it moves deeper into the post-McConnell, post-establishment era.