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 ...

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

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.

Regardless of whether all the claims are true, it does appear as if the policy split came over the issue of a US attack on ...

It wasn’t just Signalgate that led to Mike Waltz being canned as President Donald Trump‘s national security adviser. Before ...

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 ...

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 ...

Democratic Sen. Tammy Duckworth of Illinois, who is on the Senate Armed Forces Committee, tells "Face the Nation with ...

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