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

This is the first significant personnel overhaul of top White House aides, and the kind of shake-up President Trump has ...

Mike Waltz, Trump's national security advisor, is leaving the White House weeks after he accidentally added a journalist to a ...

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...

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

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

The move comes after Waltz faced criticism for his role in the Signal group chat debacle that saw some of the country's top ...

National security adviser Mike Waltz is leaving his post and ... saying he has confidence in his top adviser. “Michael Waltz ...

President Donald Trump announced Thursday that he would nominate national security adviser Mike Waltz to serve as UN ambassador, after widespread reports that Trump planned to oust him ...