The Arab street is rumbling. for weeks, protesters across the Middle East burned Israeli and American flags and brandished banners in support of the Palestinians. Satellite channels broadcast reports on Palestinian suffering, as well as talk shows on which guests vent their rage. But the Arabs are not only shooting off their mouths. From bases in southern Lebanon, Hizballah and Palestinian guerrillas stepped up rocket and mortar attacks on Israeli targets. A band of Egyptian teenagers even tried to sneak into Israel, saying they wanted to join the battle.
Whenever the Israeli-Palestinian dispute erupts in crisis, as in...