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

Signalgate was the national security adviser’s most glaring mistake. But his problems ran deeper. After Michael Waltz, the ...

Fired National Security Adviser Mike Waltz can‘t help but leak his Signal chats. Waltz, whose downfall was precipitated by ...

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

Waltz's deputy, Alex Wong, who was also ousted this week, reportedly remains at the National Security Council.

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

Reports say President Donald Trump will nominate National Security adviser Mike Waltz to become the nation's ambassador to ...

The images, captured by Reuters, show Mike Waltz, the former national security adviser, using the TM SGNL app, which allows ...

Reaction to Waltz’s ‘promotion,’ Rubio now ‘secretary of everything,’ Air Force nominee grilled, Trump wants Veterans Day ...

Waltz came under scrutiny after revelations that he added a journalist to a private text chain about military operations.

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...

After Michael Waltz, the national security adviser ... security team is based on interviews with 14 current and former White House officials and outside advisers, all of whom spoke on the ...