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

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

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

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

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

"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 Sunday that he plans to appoint a new national security advisor in about six months, telling ...

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

Senate Democrats predict that former National Security Adviser Mike Waltz will have a "brutal confirmation hearing" for his new role as U.N. ambassador.

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

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

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