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

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

President Trump's national security adviser Mike Waltz and deputy Alex Wong are leaving the White House, multiple sources ...

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

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

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

Donald Trump appointed Mike Waltz to be the next U.S. ambassador to the United Nations after stripping him of his original ...

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

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

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