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

An unofficial version of Signal, TeleMessage, used by Mike Waltz, Donald Trump's former National Security Adviser, has ...

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

Sen. Tammy Duckworth (D-IL) confirmed Sunday she would not support Mike Waltz in a Senate vote determining whether he will be ...

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

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

Retired Lt. Gen. H.R. McMaster, a CBS News contributor who served as national security adviser in President Trump's first ...

The Signal group chat scandal and Waltz’s hawkish stance on Iran are being touted as the reasons for his ouster as NSA.

President Trump reportedly wasn’t “happy” about his national security adviser’s hawkish stance on striking Iran nuclear sites ...

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

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

Trumps White House purge is making headlines after he abruptly fired National Security Adviser Mike Waltz. Reports suggest a ...