Republican drops primary challenge against incumbent Sen Cassidy after Trump-backed candidate enters race

Louisiana state Rep. Julie Emerson announced on Thursday that she was abandoning her U.S. Senate bid because President Donald Trump-backed U.S. Rep. Julia Letlow entered the race.

Still shot from "Julie Emerson to challenge Cassidy for U.S. Senate." (YouTube/@JulieEmersonLA)

After the House impeached Trump in 2021, Cassidy was one of the Senate Republicans who voted to convict during a vote that occurred after Trump had already departed from office — the Senate vote ultimately fell short of the threshold required to convict Trump.

The president pledged his endorsement to Letlow in a Truth Social post on Saturday.

WHO IS JOHN FLEMING, THE FREEDOM CAUCUS FOUNDING MEMBER CHALLENGING GOP SEN BILL CASSIDY?

President Donald Trump, Rep. Julia Letlow, R-La., and first lady Melania Trump during the Congressional Ball in the Grand Foyer of the White House in Washington, D.C., on Thursday, Dec. 11, 2025. (Shawn Thew/EPA/Bloomberg via Getty Images)

"Today, I am announcing my candidacy for the United States Senate to ensure the nation we leave our children is safer and stronger. Louisiana deserves a conservative Senator who will not waver. I am honored to have President Trump’s endorsement and trust. Let’s Geaux!" she declared in a Tuesday post on X.

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Louisiana State Treasurer John Fleming and state Sen. Blake Miguez are also running in the Republican U.S. Senate primary in the state.

Alex Nitzberg is a writer for Fox News Digital.

https://www.foxnews.com/politics/republican-drops-primary-challenge-against-incumbent-sen-cassidy-after-trump-backed-candidate-enters-race