Thunder at Twilight is a landmark of historical vision, drawing on hitherto untapped sources to illuminate two crucial years in the life of the extraordinary city of Vienna--and in the life of the twentieth century. It was during the carnival of 1913 that a young Stalin arrived on a mission that would launch him into the upper echelon of Russian revolutionaries, and it was here that he first collided with Trotsky. It was in Vienna that the failed...