Four years ago, Baruch Goldstein changed forever the complexion of relations between Israelis and Palestinians. The Israeli investigation of the circumstances of his mass murder of Palestinians at Hebron’s Ibrahimi Mosque clarified that Goldstein had no accomplices or fellow conspirators. But in the days before he opened fire on Ramadan worshipers, Goldstein did tell friends in the settlement of Kiryat Arba that he was about to perform a dramatic deed that would transform the region.