Caroline Kennedy said in a scathing letter about her cousin, Robert F. Kennedy Jr., that she felt "an obligation to speak out."

What to know from Robert F. Kennedy, Jr.’s hearings before the Senate Finance Committee on Wednesday and the Senate Health, Education, Labor, and Pensions on Thursday.

If approved, Kennedy will control a $1.7 trillion agency that oversees food and hospital inspections, hundreds of health clinics, vaccine recommendations and health insurance for roughly half the country.

While Mr. Kennedy, seeking the job of health secretary, has been vocal about vaccines and his desire to overhaul the nation’s diet, he has said very little about other issues.

Robert F. Kennedy Jr., President Donald Trump’s nominee to head the US Department of Health and Human Services, will tell a Senate Committee Wednesday that he wasn’t anti-vaccine, he was “pro-safety.”

RFK Jr.’s famous name and controversial views collide in his bid for top health job Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.

Robert F. Kennedy Jr. faced a flurry of intense questions about his past stances on health issues, such as abortions, vaccines and Medicaid, during his Senate confirmation hearing.

Watch live as RFK Jr. faces questions from senators in his confirmation hearing as President Trump’s nominee to lead the Department of Health and Human Services.