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…

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…

Venezuela’s stepped-up efforts to develop nuclear power and tighten its bonds with Iran require a firm but deft diplomatic response from the Obama administration, write CFR’s Joel Hirst and Jonathan …