Nearly four years have elapsed since the Oslo process (1993-2000) between Israelis and Palestinians foundered in bloodshed. Over that period, two U.S. administrations have tried to forge policies that would reduce the violence and point toward a solution to the conflict.It has not been a single-minded pursuit. Since September 11, 2001, the prime focus of Washington has been the management of unprecedented U.S. military interventions in the region, which removed regimes from power in Afghanistan and Iraq. The notion of Israeli-Palestinian peace as the key to regional stability has been replaced by the war on terror and the insistence on...