Sandra King went to university in China in September 1992. She was so excited. She had sold her home, furniture, car, and everything else. She had even given her wedding rings to her children. She asked them if they would consent to her going to China. They told Sandra that she had looked after them for many years, so the cry went up: "You go, Mum! You should do something for yourself!" When Sandra climbed into the taxi that would take...