The Democratic senator will not vote to confirm the ex-national security adviser, who she says is "failing up" after putting ...

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

Sen. Tammy Duckworth said Sunday that she expects Mike Waltz to have a "brutal hearing" for U.N. ambassador after his ...

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

In the photos, Waltz has apparently remembered to turn his papers face down before the troupe of reporters — print, TV, photo ...

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...

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

Mike Waltz has been nominated to serve as the next U.S. ambassador to the United Nations. In turn, there's renewed interest ...

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

A photo of Mike Waltz's phone appeared to show that he was using TeleMessage, an app that modifies Signal and other ...

Mike Waltz's exit from the Trump administration comes on the heels of the Signal chat scandal. Here's what happened.