When President-elect Donald J. Trump’s choice for secretary of state, Senator Marco Rubio of Florida, appears before the Senate Committee on Foreign Relations today, it may be easy for him to ...

For most of American history, the secretary of state has been the dominant shaper of American foreign policy. Those days are over. We are in the age of the incredible shrinking secretary of state.

(THE CONVERSATION) U.S. Sen. Marco Rubio of Florida, Donald Trump’s nominee for secretary of state, will testify before the U.S. Senate Foreign Relations Committee as part of his confirmation ...