Vermont Sen. Bernie Sanders questioned Health Secretary nominee RFK Jr. on vaccine stance, calling responses "troubling" and "problematic."

The exchanges show how RFK Jr. has failed to update his views on important health issues, even when presented with new science.

Kennedy faced questions from the Senate Finance Committee, including from MA Sen. Warren, weighing whether he is fit to be Health Secretary.

If you come out unequivocally — ‘vaccines are safe, it does not cause autism’ that would have an incredible impact,” Sen. Bill Cassidy (R-La.) told the HHS nominee.

More dramatic questioning on vaccines in RFK Jr's second confirmation hearing. Bond/Simmons-Duffin/Stone/Webber

President Trump's choice to nominate Robert F. Kennedy, Jr. to lead the Department of Health and Human Services places every American in the hands of a conspiracy theorist.

Robert F. Kennedy Jr. struggled Wednesday to answer questions about Medicare and Medicaid or to provide details about how he would work to drive down health care costs.

Robert F. Kennedy Jr., President Trump's nominee to lead the Department of Health and Human Services, faces Senate confirmation hearings today. What can we expect?

Senators grilled Robert F. Kennedy Jr. on vaccines, abortion and Medicaid in his confirmation hearing to lead HHS. RFK Jr. has another hearing Thursday.

Robert F. Kennedy Jr., Tulsi Gabbard and Kash Patel are each set to appear before lawmakers during a pivotal day of confirmation hearings Thursday.

Confirming Robert F. Kennedy Jr. to be the secretary of health and human services will only legitimize his crazy views.

Robert F. Kennedy Jr. faced questions from senators during his confirmation, seeing support from his wife, a Florida native. Who is Cheryl Hines?