The stunning story of Russia's slide back into a dictatorship-and how the West is now paying the price for allowing it to happen. The ascension of Vladimir Putin-a former lieutenant colonel of the KGB-to the presidency of Russia in 1999 was a strong signal that the country was headed away from democracy. Yet in the intervening years-as America and the world's other leading powers have continued to appease him-Putin has grown not only into a dictator...