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

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 roles at once after President Donald Trump ...

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

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

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

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

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

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

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

Mike Waltz has been nominated to serve as the next U.S. ambassador to the United Nations. In turn, there's renewed interest ...