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.

"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 ...

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

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

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

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

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

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

Three federal departments prohibited their employees from accessing TeleMessage — a message archiving app that former ...

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

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