The top diplomat in President Donald Trump's administration, Marco Rubio, began his first foreign visit on Sunday, meeting Panamanian President Jose Raul Mulino to discuss U.S. concerns about Chinese companies potentially affecting American shipping access around the Panama Canal and regional migration issues.

U.S. Secretary of State Marco Rubio is meeting Panama’s president Sunday on the opening stop of his first foreign trip as America's top diplomat as President Donald Trump increases the pressure on Washington's neighbors and allies,

Secretary of State Marco Rubio embarks soon on his inaugural trip as the United States’ top diplomat. His first stop, Panama could prove to be the most contentious on the itinerary.