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. . .