The New York Times reports Secretary of State Marco Rubio is now interim national security adviser to President Donald Trump, ...

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

Rubio spoke over the phone with Pakistani Prime Minister Shehbaz Sharif and Indian Foreign Minister Subrahmanyam Jaishankar.

President Donald Trump said Thursday that he is nominating Mike Waltz as United Nations ambassador while Secretary of State Marco Rubio would take over Waltz’s duties on an interim role.He posted on ...

Vice President Vance said he supports President Trump’s Thursday decision to nominate national security adviser Mike Waltz to ...

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were ...

United States President Donald Trump on May 1 announced that National Security Advisor Mike Waltz will be assuming the new ...

Mike Waltz is the first high-ranking official to leave the Administration and will be sent as the new ambassador to the UN; ...

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

By Kaitlan Collins, Alayna Treene, Kevin Liptak, Jeff Zeleny, Kristen Holmes, Zachary Cohen and A(CNN) — President Donald Trump announced Thursday that he would nominate national security adviser Mike ...

President Donald Trump said he’s nominating his national security adviser Mike Waltz to serve as United Nations ambassador in ...

President Donald Trump has named Mike Waltz as his next nominee for the U.S. ambassador to the UN after ousting him as his ...