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

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

President Donald Trump’s former national security adviser has begun reaching out to allies on the Senate Foreign Relations ...

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

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

Reports say President Donald Trump will nominate National Security adviser Mike Waltz to become the nation's ambassador to ...

Donald Trump appointed Mike Waltz to be the next U.S. ambassador to the United Nations after stripping him of his original ...

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

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

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

Reports of Mike Waltz's exit as national security advisor focused on Signalgate, but President Donald Trump has nominated him ...

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