Cassidy is expected to challenge RFK Jr. on his vaccine skepticism and views on public health in today's confirmation hearing.

WASHINGTON — Louisiana Sen. Bill Cassidy asked Thursday that health chief nominee Robert F. Kennedy Jr. put aside his decades-old questioning of vaccinations and promote immunizations should he be con

Sen. Bill Cassidy, the top Republican on the Senate Committee on Health, Education, Labor and Pensions, concluded Thursday's hearing by saying he was "struggling" with the nomination due to Kennedy's vaccine positions. Kennedy notably refused to say vaccines don't cause autism as he faced pointed question from lawmakers.