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.

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…

Fear and overreaction to the Ebola outbreak threaten to undermine effective responses to the pandemic, writes CFR’s Yanzhong Huang.