Marco Rubio will be the first person since Henry Kissinger in the 1970s to hold the positions of secretary of state and ...

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

The newly appointed interim national security adviser is preparing to stay in that role for up to six months, a person close ...

Reports say President Donald Trump will nominate National Security adviser Mike Waltz to become the nation's ambassador to ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...

There is a very real possibility that Trump keeps Rubio as both secretary of state and national security adviser, according ...

By Steve Holland, Gram Slattery and Erin Banco WASHINGTON The National Security Council did not immediately reply to a ...

National security adviser Mike Waltz is out, with Secretary of State Marco Rubio replacing him on an interim basis. President ...

White House national security adviser Mike Waltz is set to depart the administration, according to two people familiar with ...

National security adviser Mike Waltz and his deputy, Alex Wong, will be leaving their posts in the Trump White House, ...

Waltz came under scrutiny after revelations that he added a journalist to a private text chain about military operations.