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

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.

President Donald Trump said Sunday that he plans to appoint a new national security advisor in about six months, telling ...

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

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

President Donald Trump announced former national security advisor Mike Waltz as his choice to serve as ambassador to the U.N.

President Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

(Reuters) - President Donald Trump said on Thursday that he is nominating national security adviser Mike Waltz to be the next ...

The Washington Post reported that Donald Trump soured on Waltz over Waltz's support for an Israeli attack on Iran.

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