For the first time in modern American history, a skeptic of medical research could be responsible for safeguarding public health.

President Donald Trump's controversial pick to lead the Department of Health and Human Services, Robert F. Kennedy Jr., will testify in two Senate hearings starting Wednesday.

The Senate will have separate committee hearings for three of President Donald Trump's administration nominees on Wednesday, including former presidential candidate Robert F. Kennedy Jr., who is considered one of his more vulnerable picks.