Louisiana state Sen. Blake Miguez abandoned his U.S. Senate bid, switching to run for U.S. House after President Donald Trump ...

The president is backing a primary challenge against the Louisiana senator, which may doom his political career.

Incumbent Louisiana Sen. Bill Cassidy is defending his seat against top GOP contenders Julia Letlow, John Fleming and Blake ...

The president urged Representative Julia Letlow of Louisiana to run against Mr. Cassidy, in a move that is likely to further complicate his relationship with Senate Republicans.

Three candidates have now gotten out of the U.S. Senate race now that President Donald Trump has endorsed U.S. Rep. Julia ...

A Cassidy-affiliated super PAC launched an add criticizing “liberal Letlow.” She responded with a “mud alert” video.

"This is dangerous! And I'm afraid that that concoction of notes is going to further undermine trust. Do you not see that?” The post ‘This Is Dangerous!’ GOP Senator Warns Top Trump Health Official ...

President Trump pledged to back GOP Rep. Julia Letlow if she launches a bid in the Louisiana Senate race.

Bill Cassidy is running for a third term on a pivotal wager: that a record of delivering federal dollars to Louisiana and ...

Louisiana state Sen. Blake Miguez (R) announced on Tuesday that he would be shifting his run from a Senate challenge for Sen. Bill Cassidy’s (R-La.) seat to instead run for Rep. Julia Letlow’s (R-La.) ...

Republican Sen. Bill Cassidy of Louisiana, a frequent critic of President Trump, now officially faces a primary challenge.

An endorsement from President Trump for Congresswoman Julia Letlow in U.S. Senate race creates a challenge for incumbent Bill ...