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

CBS News also reported that Waltz's former deputy, Alex Wong, fired in the shakeup, remains at the National Security Council.

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 ...

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

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

In a surprise move, National Security Adviser Mike Waltz will be leaving the Trump administration. Here's what people are ...

White House shakeup: Mike Waltz leaves national security role, nominated as UN ambassador Louis Serbeck, 54, died while being ...

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.

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

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