US President Donald Trump has shaken up his new administration for the first time. He said he is moving National Security Adviser Mike Waltz into the role as ambassador to the United Nations.

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

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

Vice President JD Vance discusses Mike Waltz's ouster as national security advisor, "Signalgate" and strikes against the ...

Trump said he would make Secretary of State Marco Rubio his interim national security adviser. It's the first time since the Nixon era that one person will do both jobs.

Mike Waltz was photographed using Signal in a Cabinet meeting the day before Trump announced he was replacing him as national ...

Latest news and live updates as Trump joins a National Day of Prayer event and delivers the University of Alabama commencement address.

Mike Waltz, President Trump's national security advisor, is leaving the White House weeks after he accidentally added a ...

Waltz did not require congressional approval to serve earlier as President Donald Trump’s national security adviser ...

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