Live updates: Trump shakes up national security team

What to Know

• President Trump said he will nominate national security adviser Mike Waltz to serve as the U.S. ambassador to the United Nations. Trump said that Secretary of State Marco Rubio will serve as the interim national security adviser.
• Elon Musk said that he’s in the process of stepping back from his nearly 24/7 role with the Department of Government Efficiency to focus on his businesses.
• A Trump-appointed judge rejected the administration’s use of the Alien Enemies Act of 1798 to deport Venezuelans it alleges are members of the criminal organization Tren de Aragua.