Padraic Kenney is Professor of European History at the University of Colorado. He is the author of Rebuilding Poland: Workers and Communists, 1945-1950. This is the first history of the revolutions that toppled communism in Europe to look behind the scenes at the grassroots movements that made those revolutions happen. It looks for answers not in the salons of power brokers and famed intellectuals, not in decrepit economies--but in the whirlwind...