National security adviser Mike Waltz is leaving his post and will become America’s ambassador to the United Nations, marking the first major shakeup of President Trump’s second administration.

President Trump announced a major shakeup in his national security team on Thursday, tapping Mike Waltz to be his United Nations ambassador while Secretary of State Marco Rubio will fill Waltz’s ...

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 broke that Waltz ...

President Trump is tapping national security adviser Mike Waltz to be his ambassador to the United Nations following reports of his ouster in the midst of a controversy over a group text chat.

Although Waltz has retained a role in the administration, his ouster as national security adviser makes him the first high-ranking official to depart a post since Trump's Jan. 20 inauguration.

President Donald Trump has named Mike Waltz as his next nominee for the U.S. ambassador to the UN after ousting him as his national security adviser.

WASHINGTON — President Donald Trump said Thursday he's nominating his national security adviser Mike Waltz to serve as United Nations ambassador in a major shake-up of his national security team ...

Trump said he would make Secretary of State Marco Rubio his interim national security adviser. It's the first time since the Nixon era that one person will do both jobs.

WASHINGTON (AP) — President Donald Trump said Thursday he’s nominating his national security adviser Mike Waltz to serve as United Nations ambassador in a major shake-up of his national ...

WASHINGTON (AP) — President Donald Trump said Thursday that he is nominating national security adviser Mike Waltz as United Nations ambassador while Secretary of State Marco Rubio would take ...