President Donald Trump announced that Mike Waltz will leave his job as national security adviser and be nominated as the next U.S. ambassador to the United Nations. President Donald Trump appointed ...

Ten days after that interview with the president, his then–special envoy for Latin America, Mauricio Claver-Carone, was ...

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

President Donald Trump named Secretary of State Marco Rubio as acting national security adviser to replace Mike Waltz, whom ...

U.S. Ambassador to the United Nations Mike Waltz said the Trump administration is "laser focused" on addressing Iran's nuclear program in an interview on "Face the Nation with Margaret Brennan." ...