Rachel Maddow shares a moment from Day 2 of Robert Kennedy Jr.'s confirmation hearing in which Senator Angela Alsobrooks asked him about his idea that Black people should get a different vaccine regimen than white people.

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

Robert F. Kennedy Jr., President Trump's pick to run the Department of Health and Human Services, is grilled on his vaccine skepticism during his first Senate confirmation hearing. Dr. Amesh Adalja, a senior scholar at the Johns Hopkins Center for Health Security,

As Robert F. Kennedy Jr. faced skeptical senators Thursday in the second day of his confirmation hearing to lead the department of Health and Human Services, Sen. Bill Cassidy confronted Kennedy about vaccines.

Robert F. Kennedy Jr. said he wasn’t antivaccine as senators pressed on his past remarks, in the first of two days of hearings over his nomination for health secretary.

Robert F. Kennedy Jr.'s polarizing views and checkered past have been in the spotlight this week as President Donald Trump's nominee for Secretary of Health and Human Services fields questions from Senators,