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.

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 ...

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

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

President Trump is tapping national security adviser Mike Waltz to be his ambassador to the United Nations following reports ...

President Donald Trump announced Thursday that he would nominate national security adviser Mike Waltz to serve as UN ...

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

President Donald Trump has gone through his share of national security advisers. But he doesn't hold the record, yet.

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

President Donald Trump plans to replace national security adviser Michael Waltz, according to a current and former U.S.