Forty years later, Moscow's role in engineering and exacerbating the crisis is revealed. June, 1967. War clouds had been building for months. The Israelis found themselves increasingly surrounded by Soviet-backed forces of the Arab and Islamic world, all of whose leaders were vowing to "throw the Jews into the sea," and the Israelis were considering a first strike. The element of surprise might be their only hope of survival, they figured. But President Lyndon Johnson had warned Israeli Prime Minister Levi Eshkol in no uncertain terms that such a move would be a serious mistake. As historian Michael B. Oren...