WASHINGTON D.C., DC — Georgia Sen. Raphael Warnock and Robert F. Kennedy Jr. had a tense exchange during his confirmation hearing Wednesday to examine the RFK Jr.'s qualifications to be the country's top health official.

Robert F. Kennedy Jr.’s opinions about vaccine safety, both past and present, appeared likely to lead at least a few Senate Republicans to vote against his nomination following a second confirmation hearing Thursday.

Nicole Shanahan, the former running mate to Robert F. Kennedy Jr., threatened to primary senators if they dared to vote against Kennedy’s nomination to lead the Department of Health and

Former tech attorney Nicole Shanahan posted her threat to X Tuesday and went on to call out specific senators she claims to have helped win primaries in 2020

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.

Kathleen "Kick" Kennedy is the eldest daughter of Robert F. Kennedy Jr., who could be confirmed as health secretary in Trump's administration.

In a scathing letter to lawmakers weighing Robert F. Kennedy Jr.’s nomination for health secretary, Ms. Kennedy called her cousin unfit for the job and a “predator” who led family members to addiction.

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.

Robert F. Kennedy Jr.'s long record of questioning the safety of childhood vaccinations persisted as a flash point for him Thursday during a confirmation hearing where a key Republican quickly raised concerns about his views.

The hearings were packed to capacity with protesters and fans, while the spillover crowd hung out in hallways and overflow rooms.

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.

Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.