The Arab states will not come to Gaza's aid. None of them has launched any significant diplomatic initiative to prevent the reoccupation of the enclave or to end the Israeli bombardment it has endured for nearly two years. Despite the dreadful human toll — 70,000 dead, 70% of them women and children, according to some estimates — and a famine reminiscent of the worst medieval sieges, not a single capital across the Arab world is demanding sanctions against Tel Aviv or threatening its West...