A Republican senator juggling three roles — lawmaker, doctor and political candidate seeking reelection — has walked a fine line as he questioned Health Secretary Robert F. Kennedy Jr. Sen. Bill Cassidy supported Kennedy's confirmation as health secretary but is a strong vaccine advocate and has clashed with him over vaccine policies.

President Donald Trump is fighting a two-front war at the outset of this year’s midterm campaigns, working to prevent Democratic victories while also attempting to purge the Republican Party of the few remaining members who have defied him.

Republican Sen. Bill Cassidy’s support was crucial to Robert F.

Republicans are encountering some early headaches in Senate races viewed as pivotal to maintaining the party’s majority next year.

Louisiana state Sen. Blake Miguez, a conservative Republican, has officially launched his bid to run for U.S. Senate in 2026.

President Donald Trump and Louisiana Gov. Jeff Landry have discussed the possibility that Julia Letlow, a congresswoman elected in 2021 after her husband died of COVID, might challenge Sen. Bill Cassidy in next year's Republican primary.

A new congresswoman has been sworn in.