Mike Waltz's Senate confirmation hearing is being held today for his nomination for U.S. ambassador to the United Nations.

Waltz pledged to bring reform to the international group, which Utah Republican Senator Mike Lee says has been a detriment to ...

Mike Waltz's Senate confirmation hearing is being held today for his nomination for U.S. ambassador to the United Nations. NBC News' Ryan Nobles and Jonathan Allen report the latest. Former Sen ...

US ambassador to the UN nominee Mike Waltz was forced to confront "Signalgate" during his Senate confirmation hearing Tuesday -- and insist he wasn't technically fired as national security adviser ...

U.N. ambassador nominee Mike Waltz denied sharing sensitive information during a mobile app chat in March during a Senate Foreign Relations Committee hearing.

Waltz was removed from his job as national security adviser after he accidentally added a journalist to his Signal chat about an attack on Houthis.

The president’s pick for ambassador to the United Nations, Mike Waltz, was in the hot seat Tuesday.

The president’s pick for ambassador to the United Nations, Mike Waltz, was in the hot seat Tuesday.

Donald Trump's former national security adviser Mike Waltz has faced scrutiny from US senators over his role in a sensitive Signal group chat in which officials discussed war plans. Waltz appeared ...

Mike Waltz told lawmakers Tuesday at his confirmation hearing to be U.S. ambassador to the United Nations that he plans to make the world body “great again,” echoing President Donald Trump’s ...

Mike Waltz painted an image for lawmakers Tuesday of what the United Nations would look like as the U.S. reviews its support, opting to go “back to basics” under a Trump administration push to ...