As sectarian tensions convulse Syria and Iraq, the Council on Foreign Relations has released a new interactive guide examining the roots and consequences of the divide between Sunni and Shia Muslims.

A conservative candidate seems likely to win Iran’s presidential election this week, but the reform movement may yet be energized by the remaining moderate contender, says CFR’s Ray Takeyh.

After the disqualification of popular former president Rafsanjani, it’s unclear which of the remaining, mostly conservative candidates will triumph in the June presidential election, says expert Fari…