Any seasoned Washington veteran will tell you that a successful political movement frequently earns its victory thanks to the assemblance of strange bedfellows and partnerships. And the more difficult the battle, the stranger that coalition may need to be. At the American-Arab Anti-Discrimination Committee's 25th anniversary conference in late May, it was clear that the prevailing viewpoint on the Middle East was what could be generously described as “pro-Palestinian.” However, it was in that crowd—a mix of Muslims and Christians—that maverick Muslim Kamal Nawash (a Palestinian by birth who rarely discusses Israel) found a surprisingly warm reception from many of...