It was nearing midnight and the Prime Minister was sitting alone in his office, reading a long memo that was slipping through his brain without leaving the slightest trace of meaning behind. He was waiting for a call from the President of a far distant country, and between wondering when the wretched man would telephone, and trying to suppress unpleasant memories of what had been a very long, tiring, and difficult week, there was not much space in his head for anything else....