Two spectacular al Qaeda prison breaks in Iraq, freeing over 500 of its members in two separate prisons simultaneously this week, demonstrate the group is back with a vengeance. Al Qaeda’s Iraq branch is also the moving force behind the jihadist success in Syria. The resurgence of al Qaeda in Iraq has sobering implications for what is likely to follow the drawdown of NATO forces in Afghanistan for the al Qaeda mother ship in Pakistan. The double jailbreaks at Abu Ghraib and Taji prisons were massive attacks. Suicide bombers, teams of attackers using mortars and small arms, and two dozen...