The nomination hearing for Robert F. Kennedy Jr. kicked off with a battle between President Donald Trump's choice to lead the Department of Health and Human Services and Sen. Ron Wyden (D-OR), as the Democrat confronted Kennedy over his past controversial comments about vaccines and other issues.

Robert F. Kennedy Jr. worked strenuously Wednesday to clarify his views on vaccines after a top Democrat challenged him on past statements and actions that seemed to suggest he was a blanket opponent of shots.

Kennedy Jr. scrapped with senators for more than four hours Wednesday, trying to defend everything from his “conflicting” claims on vaccines to his stance on abortion to past statements that the virus causing COVID-19 was “ethnically targeted” against black and Caucasian people.

Waco community mourning death or Dr. Charles A. Shoultz, founder of Waco Cardiology

RFK Jr.'s testimony to senators clashed with past articles and letters he wrote concerning Samoan vaccine policy

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.

Senator Elizabeth Warren (D-MA) asked Robert F. Kennedy Jr. to commit to not taking money from lawsuits aimed at vaccine makers if he is confirmed as Secretary of Health and Human Services.

Robert F. Kennedy Jr., President Donald Trump’s nominee to head the US Department of Health and Human Services, told a US Senate committee that he would not stop anyone from getting polio and measles vaccines.

Robert F. Kennedy Jr. faced intense scrutiny Wednesday on Capitol Hill as he sought confirmation for the role of Health and Human Services secretary.

During his confirmation hearing, Robert F. Kennedy Jr. denied Gov. Josh Green’s allegation that he caused many deaths in Samoa by discouraging the measles vaccine.

Robert F. Kennedy Jr.’s alternating views on vaccines, reproductive rights and public health issues were a central focus at his first confirmation hearing Wednesday, with Democratic senators expressing dismay at his nomination and Republicans signaling he’ll likely have their support.