National security adviser Mike Waltz is leaving his post and will become America’s ambassador to the United Nations, marking the first major shakeup of President Trump’s second administration. Waltz ...

"Michael Waltz has learned a lesson, and he's a good man," Trump told NBC News in a phone call when asked if he still had confidence in his top national security aide. "It was one of Michael's people ...

US President Donald Trump announced on Thursday that his national security adviser Mike Waltz would become the new United States ambassador to the UN. "I am pleased to announce that I will be ...

The post of United Nations ambassador isn't a Cabinet position, according to sources familiar with the matter, as President Trump signals the decreased importance of the U.N. to his administration.

U.S. ambassador to the United Nations Mike Waltz said he believes President Donald Trump’s new Gaza peace plan could represent a "once-in-a-generation opportunity for Middle East peace." On Monday, ...