The newly appointed interim national security adviser is preparing to stay in that role for up to six months, a person close ...

National security adviser Mike Waltz is out, with Secretary of State Marco Rubio replacing him on an interim basis. President ...

There is a very real possibility that Trump keeps Rubio as both secretary of state and national security adviser, according ...

Secretary of State Marco Rubio has been thrown into two top national security jobs at once as President Donald Trump presses ...

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, ...

President Donald Trump announced former national security advisor Mike Waltz as his choice to serve as ambassador to the U.N.

The ousting of national security adviser Mike Waltz triggered a major shake-up in President Trump’s White House team, which ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...

Trump announced the moves shortly after news broke that Mike Waltz and his deputy Alex Wong were leaving the administration.

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

President Donald Trump said Thursday that he’s naming Secretary of State Marco Rubio as acting national security adviser to ...