Retired Lt. Gen. H.R. McMaster, a CBS News contributor who served as national security adviser in President Trump's first ...

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

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

Mike Waltz has been nominated to serve as the next U.S. ambassador to the United Nations. In turn, there's renewed interest ...

Days before giving him the heave-ho, President Donald Trump last week forced a final humiliation on National Security Advisor Mike Waltz. The diss came as Trump was getting set to board Air Force One ...

Fox News Digital took a look at whom President Donald Trump could select to replace former national security advisor Mike ...

Mike Waltz will be nominated as U.S. ambassador to the U.N., while Secretary of State Marco Rubio will take on the added role ...

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

President Donald Trump announced former national security advisor Mike Waltz as his choice to serve as ambassador to the U.N.

Waltz was on television as late as Thursday morning, promoting the administration’s agreement with Kyiv that would allow the ...

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

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