Moscow in the 1960s was the other side of the Iron Curtain: mysterious, exotic, even dangerous. In 1966 the historian Sheila Fitzpatrick traveled to Moscow to research in the Soviet archives. This was the era of Brezhnev, of a possible thaw in the Cold War, when the Soviets couldn t decide either to thaw out properly or re-freeze. Moscow, the world capital of socialism, was renowned for its drabness. The buses were overcrowded; there were endemic shortages and endless queues. This was also the age of regular spying scandals and tit-for-tat diplomatic expulsions, and it was no surprise that...