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

Secretary of State Marco Rubio has been thrown into two top national security roles at once after President Donald Trump ...

By Simon Lewis, Daphne Psaledakis and Steve Holland WASHINGTON (Reuters) - Top diplomat, foreign aid chief, national ...

The administration later even defended Waltz and US Defense Secretary Pete Hegseth, even after the latter had been involved ...