Donald Trump appointed Mike Waltz to be the next U.S. ambassador to the United Nations after stripping him of his original ...

US President Donald Trump on Thursday announced the replacement of national security adviser Mike Waltz, stating that he would be nominated as the next ambassador to the United Nations.

Reports of Mike Waltz's exit as national security advisor focused on Signalgate, but President Donald Trump has nominated him ...

Donald Trump said that his national security adviser, Michael Waltz, would be departing that post and will be his nominee to ...

WASHINGTON (AP) — President Donald Trump said Thursday that he is nominating national security adviser Mike Waltz as United ...

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

The president said Secretary of State Marco Rubio will serve simultaneously as acting national security adviser while ...

John Nacion/Getty President Donald Trump has nominated former national security adviser Mike Waltz to now serve as the U.S. ambassador to the United Nations. The move comes just hours after news ...

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

Welcome to the online version of From the Politics Desk, an evening newsletter that brings you the NBC News Politics team’s ...

Mike Walz reportedly is leaving the White House weeks after he accidentally invited a journalist into a chat between top ...

Donald Trump has announced he is removing his national security adviser, Mike Waltz, and appointing him instead to the role of UN ambassador. The announcement followed hours of breathless ...