"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...

President Donald Trump said Thursday that he would nominate national security adviser Mike Waltz to be U.S. ambassador to the ...

Mike Waltz was removed as Trump's national security adviser and faces Senate confirmation as the new nominee to be ambassador to the U.N.

Waltz had faced criticism for mistakenly adding a journalist in a Signal group chat where war plans were discussed.

President Trump said Rubio will be acting National Security Adviser as he nominates Waltz to be the United States' ambassador ...

Sen. Tammy Duckworth (D-Ill.) said former national security adviser Mike Waltz will face a “brutal, brutal” confirmation ...

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

President Donald Trump has nominated former National Security Adviser Mike Waltz to serve as the US Ambassador to the United ...

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

Trump confirms Mike Waltz will be replaced as national security adviser; to be appointed as US Ambassador to United Nations.

President Trump is tapping national security adviser Mike Waltz to be his ambassador to the United Nations following reports ...

President Donald Trump said on Thursday that he is nominating national security adviser Mike Waltz to be the next U.S.