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

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

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

President Donald Trump announced that Mike Waltz had been ousted as national security advisor. He was previously caught up in ...

Waltz was among high-ranking members of the administration who accidentally shared plans about a forthcoming U.S. military ...

P resident Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

President Donald Trump has gone through his share of national security advisers. But he doesn't hold the record, yet.

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

Mike Waltz will be nominated as U.S. ambassador to the U.N., while Secretary of State Marco Rubio will take on the added role ...

White House national security adviser Mike Waltz is leaving the Trump administration just weeks after it was revealed he ...

The move by Trump comes after hours of speculation that Mike Waltz was about to lose his job as national security adviser.

Waltz will no longer serve as Trump’s national security advisor, but he was nominated to be the next U.S. ambassador to the U ...