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. Senator Marco Rubio from Florida became the first of President Donald Trump's cabinet nominees to be sworn into office on Tuesday, where he emphasized that U.S. foreign policy under Trump will put American needs first.