What was it like, asks Jay Nordlinger, to have Mao as your father, or Pol Pot, or Papa Doc? The answer is that while all happy families are alike, the children of monsters are unhappy in their own way. Some dictatorial offspring are fairly normal while others are psychos. Nicu Ceausescu, son of the rulers of Romania, was from the age of 14 a figure of ‘comic-book evil’ whose hobbies included raping women. His brother, Valentin, is bookish and quiet, has a close circle of decent friends and works at the Institute of Atomic Physics outside Bucharest.