The Sunni Dahiya Doctrine Rocket Fire on Hezbollah-stronghold Brings Syria’s Civil War Into the Heart of Lebanon

Sunday's rocket fire on Beirut signals to Hezbollah that if it openly fights on the side of the Assad regime and aids and abets the massacre of the regime’s opponents, someone will see to it that a response will hit the militant group's home court.

Months of bloody fighting in northern and eastern Lebanon did not generate anywhere near the...