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

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

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

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

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 change marks the first big upheaval in Mr Trump’s defence and international-relations team. Mr Waltz lasted just over 100 ...

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

Perhaps it’s no surprise that Donald Trump —who has redone the Oval Office in neo-Versailles gold, claimed monarchical powers ...

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 Elise Stefanik had been Trump's original pick for UN ambassador, but her name was withdrawn over fears about tight ...

Mike Waltz, the man behind that disastrous Signalgate group chat, spent the last 24 hours praising Trump. Now he’s getting ...