Born in 1918 into the fabric of Arab-Jewish frontier life at the foot of Mt. Tabor, Yigal Allon rose to become one of the founding figures of the state of Israel and an architect of its politics. In 1945 Allon became commander of the Palmah--an elite unit of the Haganah, the semilegal army of the Jewish community--during the struggle against the British for independence. In the 1947-49 War of Independence against local and invading Arab armies, he led the decisive battles that largely determined the borders of Israel. Paradoxically, his close lifelong relations with Arab neighbors did not...