Rubio must ensure diplomats support U.S. allies and prioritize U.S. interests over ambassadors’ desire for smooth tenures and good relations with their hosts.

President Donald Trump has begun his second administration with a series of controversial moves and decisions.

The Senate has approved each of President Trump’s selections for cabinet posts that it has voted on to this point. Note: ...

Secretary of State Marco Rubio assumed another role in the Trump administration, acting director of the U.S. Archives. He is ...

Secretary of State Marco Rubio told U.S. diplomats behind closed doors about how foreign aid will be distributed by the Trump administration.