Economists who want to compare the living standards of countries often use GDP, but the calculation and usefulness of the measurement remains controversial.

We are witnessing the gradual but steady demise of a relationship that is already an alliance in name only.

Critics are panning the president’s new trade deal with Canada and Mexico as a minor update. They’re wrong—it’s a significant accomplishment.

Washington continues to claim Ankara as “strategic partner.” Let’s stop pretending it is.

Erdogan promises to finish America's fight against the Islamic State, but it's the Kurds that he's out to destroy.

The Democratic field could touch on a number of foreign policy issues, from climate change to Iran, during its first prime-time sparring session.