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

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

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

U.S. officials have finalized new economic sanctions against Russia, including banking and energy measures, to intensify ...

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