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 ...

Waltz served as Trump’s national security adviser until Thursday, when the president announced he was moving Waltz to be the next ambassador to the U.N.

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

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

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

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

Representative Mike Turner (R-Ohio) spoke with Margaret Brennan on Face the Nation Sunday, discussing the the impact of the Trump administration's tariffs on the global economy, negotiations between ...

Days before giving him the heave-ho, President Donald Trump last week forced a final humiliation on National Security Advisor Mike Waltz. The diss came as Trump was getting set to board Air Force One ...