When Israel pulled out of its security zone in southern Lebanon three years ago, it was widely predicted that the radical Shiite group Hizballah, whose forces had relentlessly attacked the occupying Israeli troops, would close up military operations and henceforth focus solely on Lebanese domestic affairs. In the event, the exact opposite occurred: promptly declaring that its next objective was the liberation of the entire land of Palestine and the destruction of the "Zionist entity," Hizballah seized control of the 350-square-mile area that had been occupied by Israel, turning it into a de-facto state within a state. In Hizballahland, as...