The growing presence of Sunni jihadists in Iraq, Syria, and Lebanon counterbalances Iranian influence; it also poses a new and dangerous threat to Israel.

By partnering with Iran to fight al-Qaeda, the United States has empowered both Shia and Sunni extremists at the expense of more moderate forces.

Yesterday’s car bomb in a Hizballah stronghold is only the latest sign of a civil war between Sunnis and Shiites stretching from Baghdad to Beirut—with. . .

 If Iran emerges the victor in the fight for the future of political Islam and regional dominance, American interests will be endangered to an extent. . .

Before deciding exactly what action to take against the Syrian dictator, the U.S. must determine whether his unleashing of chemical weapons was a sign of. . .

To many Islamists, the Sunni-Shi’ite conflict is much more important than the conflict with either Israel or America.