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…

CFR’s Stewart M. Patrick previews major summits in the coming year.

Saudi Arabia’s intervention in Yemen marks a more assertive foreign policy that is less inclined to rely on the United States and could intensify the sectarian rift with Iran across the region, write…

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.