US Secretary of State Marco Rubio arrives in Panama on Saturday for his first trip as the United States’ top diplomat that will test if his diplomacy can build on President Donald Trump’s bellicose and transactional approach to “American First” foreign policy,

Secretary of State Marco Rubio embarks this weekend on his first foreign trip in office. He's heading to Central America to press President Donald Trump’s top priority — curbing illegal immigration — and bring the message that the U.

U.S. Secretary of State Marco Rubio on Sunday warned Panama's President Jose Raul Mulino that Washington will "take measures necessary" if Panama does not immediately take steps to end what President Donald Trump sees as China's influence and control over the Panama Canal.