Russia has breathed new life into the concept of war by other means. Using an increasingly diverse array of tactics, conventional and otherwise, the country has deftly wielded its political clout in the former Soviet Union and Eastern Bloc. But its reach extends well beyond its traditional sphere of influence to countries such as the United States, France and Germany. Moscow's dealings with these powers have showcased its hybrid warfare strategy, combining various techniques to try to create political chaos and undermine the leading members of the Transatlantic alliance....