Tulsi Gabbard, Kash Patel and Robert F. Kennedy Jr. are among Trump's more controversial nominees, and faced tough questions from senators Thursday.

The most powerful moment in two days of confirmation hearings for Robert F. Kennedy Jr., whom President Donald Trump nominated to head Health and Human Services, came from Louisiana Republican Sen. Bill Cassidy. A physician, Cassidy told Kennedy of an 18-year-old patient with hepatitis B who suffered from liver failure and needed a transplant.

During confirmation hearings, Robert F. Kennedy Jr., Kash Patel and Tulsi Gabbard faced tough senate scrutiny on their controversial pasts.

Tulsi Gabbard, Trump's pick to be Director of National Intelligence, refused to call Edward Snowden a traitor at her confirmation hearing.

Tulsi Gabbard, Kash Patel, and Robert F. Kennedy Jr. are under Senate scrutiny as they face confirmation hearings for key positions in President Donald Trump's administration. Gabbard, nominated for Director of National Intelligence,

Maine's U.S. senators questioned Tulsi Gabbard Thursday about her past efforts to excuse Edward Snowden from criminal charges for disclosing classified national intelligence information during a sometimes contentious confirmation hearing for President Donald Trump's nominee to be the director of national intelligence.

When one lawmaker asked if she believed Mr. Snowden was a traitor, Ms. Gabbard simply said that she was ‘focused on the future.’

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.

WASHINGTON — Calling Robert F. Kennedy Jr. a “predator” who is addicted ... by his and Caroline’s “Uncle Teddy,” Sen. Edward M.

Robert F. Kennedy Jr. is appearing before the Senate Committee on Finance on Wednesday as he seeks confirmation to lead the Department of Health and Human Services.

Robert F. Kennedy Jr. wasn't the only one of President Donald Trump's Cabinet picks to face tough questions on Capitol Hill Thursday.

Plus, NBC News spoke to trans service members about their thoughts on President Trump's executive order banning trans people from enlisting and serving in the military.