The child of a small coup rather than an extension of popular will, the Soviet State was intrinsically insecure, its leaders ever fearful of internal and external threats. They did not feel that their regime would be safe until the revolution triumphed abroad, convinced that the outside world was implacably hostile. None felt this more strongly than Stalin. Indeed, as eminent historian of the Soviet Union Vojtech Mastny argues, it was Stalin's insatiable...