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 ...

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

There is a very real possibility that Trump keeps Rubio as both secretary of state and national security adviser, according ...

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

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

President Donald Trump announced that Mike Waltz had been ousted as national security advisor. He was previously caught up in ...

Trump announced the moves shortly after news broke that Mike Waltz and his deputy Alex Wong were leaving the administration.

Fox News Digital took a look at whom President Donald Trump could select to replace former national security advisor Mike ...