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Who is Bill Cassidy?

Bill Cassidy was elected to the U.S. Senate in 2014 and began representing Louisiana as its Republican senator in 2015. A physician by training, Cassidy gained power in the Senate and came to chair the Senate Health, Education, Labor, and Pensions Committee. In 2021 he was one of seven Republicans who voted to convict U.S. Pres. Donald Trump on impeachment charges related to the January 6 attack on the U.S. Capitol. In 2026 he lost his primary election to a Trump-backed Republican.