After the removal of Mike Waltz as national security adviser, Marco Rubio now has four different roles in Donald Trump's administration: secretary of state, acting national security adviser, acting U.

The move is the latest effort to slim down a federal agency, and after Trump announced former National Security Advisor Mike ...

The ousted national security adviser will be nominated for U.N. ambassador, a less influential post, after his ...

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were ...

President Trump said Thursday he is removing Mike Waltz from his role as national security adviser and in the interim replacing him with Secretary of State Marco Rubio. Trump said he's nominating ...

Secretary of State Marco Rubio has been thrown into two top national security jobs at once as President Donald Trump presses forward with his top-to-bottom revamp of U.S. foreign policy, upending not ...

Marco Rubio will be the first person since Henry Kissinger in the 1970s to hold the positions of secretary of state and ...

Secretary of State Marco Rubio will take over Waltz's White House duties in an interim capacity, Trump posted on Truth Social ...

Donald Trump appointed Mike Waltz to be the next U.S. ambassador to the United Nations after stripping him of his original ...

The president did not elaborate on why he was sidelining Waltz, who struggled to gain the confidence of White House staffers.

President Donald Trump's former national security adviser Mike Waltz was photographed using Signal during a Cabinet meeting on Wednesday, just one day before the president announced he was replacing ...