There are many forms of irony – verbal, dramatic, situational and so on – but the one that surely applied to King George VI was the irony of fate. It was as if the gods, or Fates, were amusing themselves by toying with his mind, mocking his failings, reminding him that he was very much a mortal. It was, after all, almost impossible for him to pronounce the letter 'k’, thanks to his debilitating nervous stammer. A cruel fate for a king. Even crueller, his reign coincided with a revolution in mass communication. For the first time in British history,...