Trump's appointment of Secretary of State Marco Rubio to temporarily replace Mike Waltz as national security advisor is the ...

President Donald Trump’s removal of national security adviser Mike Waltz brings further disruption to his national security ...

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 ...

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

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

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

Waltz had faced criticism for mistakenly adding a journalist to a chat group where sensitive military plans were discussed.

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

The national security adviser infamously added The Atlantic's Jeffrey Goldberg to a Signal group chat discussing Yemen attack ...