The 70-year-old has been prosecuted for his artworks under a law that did not exist when they were created. He should be freed Sixty years ago, Mao Zedong launched the Cultural Revolution – a decade of fanaticism that consumed China. Perhaps 2 million people, from top leaders to impoverished farmers, were killed or driven to suicide for political “crimes” or their family background. Tens of millions more, including the father of China’s leader, Xi Jinping, were hounded. The party, and most of th