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…

CFR Senior Fellow Steven A. Cook argues that in an era of diminished resources for the United States, Turkey can play a critical and constructive role in the Middle East.

The U.S. and Gulf Arab leaders gathering in Camp David are pursuing divergent courses in the Middle East, with differences over Iran nuclear talks likely to drive them further apart, writes CFR’s Ray…