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

President Donald Trump’s removal of national security adviser Mike Waltz brings further disruption to his national security ...

Sen. Tammy Duckworth said Sunday that she expects Mike Waltz to have a "brutal hearing" for U.N. ambassador after his surprise departure as national security adviser.

The latest controversy comes as both Waltz and current Defense Secretary Pete Hegseth have made headlines for multiple Signal ...

Sen. Mark Warner (D-Va.) predicts that former national security adviser Mike Waltz will face a “brutal” confirmation hearing ...

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

Democrats on the Foreign Relations Committee, the panel that will weigh Mike Waltz’s nomination for United Nations ambassador ...

A new report claims that Mike Waltz attempted to negotiate military action against Iran with Israel without including Trump ...

Waltz’s fate was sealed by his inclusion of a journalist on a sensitive Signal group chat in March. But he had been clashing ...

Senator Tammy Duckworth (D-Ill.) spoke with Margaret Brennan on Face the Nation Sunday about Pete Hegseth, Mike Waltz, ...

Washington Post quotes US officials saying that ousted security adviser pushed policy 'in direction Trump wasn't comfortable ...