The broad, neatly paved streets of Teheran were alive with the uniforms of U.S., British and Russian soldiers, the rags and splendor of Persians, the sound, sight and smell of Polish refugees, Free Frenchmen, Arabs, Turks, Kurds, Uzbeks, Armenians. Teheran had become more than the capital of corrupt, backward, oil-rich Persia. Teheran was the focal point of a great Allied supply route to Russia, a testing ground for collaboration among the United Nations.
At Persia's southern ports battered freighters unloaded planes, tanks and guns for Russia. Across the arid plains and flinty mountains lines of trucks...