In his confirmation hearing before the Senate Finance Committee, Donald Trump's pick to lead the Department of Health and Human Services, Robert F. Kennedy, Jr., insisted Wednesday he is "not anti-vaccine." In his opening statement before the committee, RFK Jr. told senators that he's not anti-vaccine, but has asks "uncomfortable questions. While Kennedy has called vaccines unsafe, in opening remarks he said that all of his kids are vaccinated. "I believe that vaccines play a critical role in health care," Kennedy told the committee. Kennedy's hearing was briefly interrupted by a protestor who was holding a sign that said, “Vaccines save lives.”