Robert F. Kennedy Jr., President Trump’s controversial pick to lead the US Department of Health and Human Services, will appear Wednesday before the Senate Finance Committee, to face questions — and fierce opposition from some lawmakers — about his bid to head the department.

Sheldon Whitehouse slammed Kennedy for what he called his anti-vaccine views and past statements citing rising measles cases. "Frankly, you frighten people," the Rhode Island senator, who has been a long-time friend of the nominee,