Trump announced the move in a post on Truth Social.

President Donald Trump said Thursday that he is nominating national security adviser Mike Waltz as United Nations ambassador ...

President Trump removed Mike Waltz as national security adviser because the Floridian would be a “better UN ambassador,” Vice ...

For weeks, UN officials have been on tenterhooks waiting to see who US President Donald Trump would appoint as his ambassador ...

Reports of Mike Waltz's exit as national security advisor focused on Signalgate, but President Donald Trump has nominated him ...

President Trump praised Waltz’s commitment to national interests and reforms at the National Security Council, suggesting his ...

P resident Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

President Trump is tapping national security adviser Mike Waltz to be his ambassador to the United Nations following reports ...

Amber Duke and Dan Kanninen discuss President Trump apparently tapping National Security Adviser Mike Waltz to be his ...

The Vice President of the United States, J.D. Vance, commented on the nomination of Mike Waltz as the U.S. Ambassador to the ...

Democrats are preparing to grill Mike Waltz about the Signal chat scandal when he appears at a confirmation hearing to be the ...