Two of the leading diplomats of Europe, sitting across a dinner table in a locked room, both shot to death. That was the spark that kindled the war flames in the summer of 1936. The two had met in the Teuton capital to discuss a secret matter of vital importance. No one, not even the occupants of the press room next door, had heard the shots fired, yet there the two men were, riddled with bullets. Teutonic police, after a quick investigation, announced...