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

Former national security adviser Michael Waltz in the Cabinet Room of the White House in March. Shawn Thew / EPA / Bloomberg ...

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

The knives were out for the national-security adviser from the start.

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

President Donald Trump has removed Mike Waltz as national security adviser and instead will nominate him for United Nations ...

Waltz’s problem was that in an administration of know-nothing America firsters, solicitous Trump sycophants, and national ...

The former national security adviser is now leading the charge at the United Nations after his group chat disaster last month ...

Waltz's exit comes just weeks after it was revealed he added a journalist to a Signal chat being used to discuss military ...

Rep. Elise Stefanik had been Trump's original pick for UN ambassador, but her name was withdrawn over fears about tight ...