Former U.S. senator from Florida Marco Rubio jumps into new role as secretary of state with flurry of phone calls, planned ...

Secretary of State Marco Rubio is adding a new role to his portfolio: acting head of the embattled U.S. Agency for ...

After taking the oath of office, Marco Rubio promised that every action taken by the State Department will be determined by ...

Marco Rubio drew bipartisan support among Senate Foreign Relations Committee members at Wednesday's hearing and appears headed for confirmation under President-elect Donald Trump's administration.