Sen. Bill Cassidy of Louisiana has emerged as a central figure in the confirmation of Robert F. Kennedy Jr., President Donald Trump's nominee for health and human services secretary.

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

Robert F. Kennedy Jr.'s record of questioning childhood vaccine safety came under fire from a key Republican at the Trump HHS pick's confirmation hearing.

The GOP senator and former physician expressed misgivings about whether Trump’s controversial HHS pick could be trusted with the public’s health.

Republican Sen. Bill Cassidy, R-La., told Robert F. Kennedy Jr. on Thursday that he has been "struggling with your nomination" to lead the U.S. Department of Health and Human Services. Cassidy's comments came during the second hearing this week for Kennedy, President Donald… pic.twitter.com/zlLMfc2D0g

GOP Sen. Bill Cassidy said he was "struggling" with Kennedy's nomination for health and human services secretary after repeatedly challenging his views on vaccines.

Robert F. Kennedy Jr. goes before two two U.S. Senate hearings in his quest to head the nation's health department. Louisiana Sen. Bill Cassidy, a doctor, sits on both.

Click in for more news from The Hill{beacon} Health Care Health Care   The Big Story All eyes on Cassidy for second RFK Jr. hearing Sen. Bill Cassidy (R-La.), chair of the Senate

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.

Conservatives in Louisiana view the nomination of Robert F. Kennedy Jr. as a litmus test for President Trump's agenda.

While Democrats blasted Robert F. Kennedy Jr. for previous comments on vaccines and some Republicans teed him up for stump speeches, Sen. Bill Cassidy of Louisiana mostly stuck