Louisiana's GOP Senate primary is set to take place, testing President Trump's influence as incumbent Sen. Bill Cassidy faces multiple challengers, including Trump-backed Rep. Julia Letlow. Meanwhile, the ongoing redistricting battle in the Louisiana Legislature has delayed House primaries until the fall, with winners potentially not decided until a December 12th runoff.

Sen. Bill Cassidy, R-La., accused his primary opponent, Rep. Julia Letlow, of taking a "Nancy Pelosi approach" to stock trades, claiming she made investments within days of subcommittee hearings involving those companies.

Cassidy, the incumbent senator fighting to defend his seat, joined the "Fox News Rundown" podcast ahead of Saturday’s Republican primary election.

"She's done well for herself financially," Cassidy told Fox News Radio’s Jessica Rosenthal. "Kind of the Nancy Pelosi approach to stock markets, I'll just point out, which is public record."

Cassidy argued public records show Letlow had bought or sold shares within days of subcommittee hearings related to those companies. Letlow previously denied similar allegations in April after attack ads leveled the same point.

NANCY PELOSI ERUPTS WHEN ASKED BY CNN'S JAKE TAPPER ABOUT ALLEGATIONS OF INSIDER TRADING

A split image shows Sen. Bill Cassidy, R-La., left, and Rep. Julia Letlow, R-La., right, as Letlow pushed back against campaign attacks highlighting her past involvement with Diversity, Equity and Inclusion initiatives during Louisiana’s GOP Senate race. (Bill Clark/CQ-Roll Call, Inc via Getty Images; Kevin Dietsch/Getty Images)

"I most certainly did not break federal law," Letlow told Fox 8 at the time. "I’ve had a portfolio that has been managed by a third party. And it was very important to me, whenever I was elected to Congress, to make sure that I had absolutely no direction over it."

But Cassidy claims Letlow’s broker has not provided proof the trades were made independently. "She claims that her broker did that independently. They asked the broker for a letter to that effect, and the broker would not give the letter," he said.

Letlow’s campaign fired back in a statement to Fox News Digital, calling the claims a ploy to save his campaign.

TRUMP CALLS SEN. BILL CASSIDY 'VERY DISLOYAL' AND URGES LOUISIANA VOTERS TO REPLACE HIM OVER NOMINEE FIGHT

"This is a last-ditch effort by Bill Cassidy to smear Julia Letlow because he knows he is going to lose tomorrow," Letlow’s campaign spokesperson Katherine Thordahl said.

Chairman Sen. Bill Cassidy, R-La., speaks during a Senate Health, Education, Labor and Pensions Committee hearing on Capitol Hill on Feb. 25, 2026, in Washington, D.C. (Andrew Harnik/Getty Images)

"President Trump endorsed Julia Letlow because he knows she is a strong conservative who will stand with him and fight for the America First agenda in the United States Senate. At the end of the day, Bill Cassidy will do or say anything to distract from his own record, including his vote to impeach President Trump."

Cassidy also reiterated comments labeling Letlow a "liberal," pointing to past remarks she made advocating for Diversity, Equity and Inclusion (DEI) initiatives.

EXCLUSIVE: UNEARTHED VIDEOS EXPOSE HOW TRUMP-ENDORSED CANDIDATE CHAMPIONED DEI IN UNIVERSITY HIRING PROCESS

The comments came from a 2020 video of Letlow interviewing to become president of the University of Louisiana Monroe. In the footage, Letlow called the school’s record on faculty gender diversity "shameful," praised DEI efforts around the country and said she wanted to open the school's first DEI division.

Rep. Julia Letlow, R-La., attended a news conference with Republican lawmakers in the Capitol Visitor Center on Jan. 20, 2022, in Washington, D.C. (Tom Williams/CQ-Roll Call, Inc via Getty Images)

"She is saying there should be a completely staffed department of DEI reporting to the president and having input before any decision was made," Cassidy said on the podcast. "Now that's not the way folks in Louisiana believe."

Earlier this week, Letlow took to the "Fox News Rundown" podcast to defend her record, arguing that DEI programs she once oversaw were "hijack[ed]" by the political left and turned into "Marxism."

'QUEEN OF DEI' RUNNING FOR CONGRESS RIPPED HER RURAL STATE AS 'BACKWARDS' ON PODCAST

"DEI six years ago was introduced in higher education as something that could be a tool to encourage students, staff, faculty to work hard and go achieve the American dream," Letlow said.

"I quickly witnessed the left completely hijack any of those efforts and turn it into indoctrination of our students, Marxism, holding people down instead of lifting them up," she added.

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Letlow said the DEI issue is more complex than the ads or Cassidy suggest, arguing it was initially presented as a tool for student success but later was distorted into something she opposes.

"Once I witnessed that firsthand because I was in education, I spent the last five years in Congress fighting against it," she added.

Madison is a writer for Fox News Digital on the Flash team.

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