On his first full day as secretary of state, Marco Rubio is meeting with his counterparts from a group of countries known as the Quad: the United States plus India, Japan and Australia, representing nearly 2 billion people and more than a third of global GDP.

U.S. President-elect Donald Trump's nominee to be U.S. Secretary of State Marco Rubio attends the vice president?s dinner ahead of the inauguration of Trump, in Washington, U.S., January 18, 2025. REUTERS/Kevin Mohatt/File Photo WASHINGTON (Reuters) - U.

New U.S. Secretary of State Marco Rubio met with the foreign ministers of Japan, India and Australia at the State Department in Washington on Tuesday. They're from the four nations that make up the "Quad,