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

A peace process with the Taliban is almost certainly the best way to end the war in Afghanistan, and arguments for postponing efforts to get one underway overlook the costs of prolonging the conflict…

The United States must respond to Russia's interference in the 2016 elections by pursuing a strategy of containment. Without a comprehensive response, Russia's meddling will continue.

Those attending Davos would be wise to realize that some of Trump’s populist message may be right. Likewise, the president must recognize that “making America great again” requires the U.S. to shape …