While the Western leaders were hammering out a peace treaty in Paris to end the Great War, a new war had already begun. Bolshevism--the creed of the Russian Revolution--had burst on the scene in 1917 and seared itself into the world's consciousness even faster than al-Qaeda would some eighty years later. The Allied powers tried to destroy it at its source by intervening, controversially and unsuccessfully, in the civil war in Russia. Elsewhere there...