The fall of the Berlin Wall 20 years ago marked a triumph of the U.S. strategy of containment. But U.S. policymakers have been struggling to establish new guidelines for confronting the world’s compl…

The European Union’s divided approach to the mass influx of migrants poses another threat to the goal of binding the continent economically and politically, writes CFR’s Sebastian Mallaby.

The Sochi Olympics have placed a spotlight on the poor global standing of Russia under Vladimir Putin, whose policies are likely to damage relations with the West long after the Games are over, write…