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

The ability to navigate power dynamics in the White House and sort through competing policy visions is essential.

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

President Trump spoke to reporters from Air Force One Sunday night, answering questions from the national security advisor to ...

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

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's National Security Advisor Mike Waltz and other staffers are out at the National Security Council, ...

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

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

White House national security adviser Mike Waltz is set to depart the administration, according to two people familiar with ...