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Today is Robert F. Kennedy Jr.‘s confirmation hearing for Secretary of Health and Human Services. NBC News’ Vaughn Hillyard reports and Andrea Mitchell speaks with Dr. Kavita Patel about her concerns about his nomination.

What to know about Tulsi Gabbard's confirmation hearing today: Tulsi Gabbard, President Trump's pick to be director of national intelligence, is testifying Thursday to the Senate

Lawmakers are set to grill Robert F. Kennedy, Jr., Tulsi Gabbard and Kash Patel, three of Trump’s most controversial Cabinet nominees.

Robert F. Kennedy Jr., Kash Patel and Tulsi Gabbard, three of President Trump’s high-profile picks, on Thursday will make their cases for confirmation.

Tulsi Gabbard, President Trump's pick for director of national intelligence, faces tough questions from senators on Russia, Syria and Edward Snowden.

Three of Trump’s most controversial nominees will testify before the Senate in what could be a make-or-break moment for his administration picks.

Several of Donald Trump’s picks for his Cabinet and key roles in his administration are facing confirmation hearings in the Senate today as the president continues to implement executive actions to transform the government.

Gabbard has faced criticism for a 2017 meeting with former Syrian President Bashar Assad, her position that Washington bears some responsibility for the war in Ukraine, and skepticism toward some findings of the U.S. intelligence community. Health and human services secretary nominee Robert F. Kennedy Jr. is set to testify at 10 a.m.

Senators pressed Robert F. Kennedy Jr. on his past vaccine and abortion remarks in the first of two days of hearings before senators vote on whether to confirm him as President Trump’s health secretary.

Watch the Senate Intelligence Committee hearing on President Trump’s nominee for national intelligence Director Tulsi Gabbard