Secretary of State Marco Rubio has a new job title: interim national security adviser.

Trump said that Secretary of State Marco Rubio would serve as interim national security advisor until a permanent replacement ...

Trump announced the moves shortly after news broke that Waltz and his deputy Alex Wong were departing the administration just ...

While Mike Waltz will not be serving as the US NSA anymore, Trump nominated him to be the next United States Ambassador to ...

President Donald Trump said that he is naming Secretary of State Marco Rubio as acting national security adviser to replace ...

President Donald Trump says he's naming Secretary of State Marco Rubio as acting national security adviser to replace Mike ...

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

Marco Rubio was given an additional charge of the NSA, while Mike Waltz was announced as the US ambassador to the UN.

President Trump announced a major shakeup in his national security team on Thursday, tapping Mike Waltz to be his United ...

"I am pleased to announce that I will be nominating Mike Waltz to be the next United States Ambassador to the United Nations, ...

National security adviser Mike Waltz drew criticism after unintentionally adding Atlantic editor Jeffrey Goldberg to a chat ...

President Donald Trump said Thursday that he picked National Security Adviser Mike Waltz to be US Ambassador to the UN. "I am ...