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 ...

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

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 ...

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

The national security adviser, a traditional Republican, was weakened by the Signalgate scandal – and even more so by his ...

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

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

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