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 success of a UN investigation into an alleged chemical weapons attack in Aleppo province last week will depend on a number of factors and could prove inconclusive, says CFR’s Gregory Koblentz.

China’s flagship investment project in Pakistan could provide a much needed economic spark, but significant security and political challenges loom.

The Christmas bomb attempt on a Detroit-bound plane has raised new concerns about "ungoverned spaces." But CFR’s Stewart Patrick argues that the term fails to address the real security concerns prese…

Syria’s civil war poses an expanding threat to the region and beyond. Washington should seize the opportunity that still exists to weaken the Assad regime, writes CFR’s Elliott Abrams.