AFP reported that, A 79-year-old retiree in north China has wowed judges of a televised singing contest, state media said Friday, in an echo of Susan Boyle, a middle-aged woman in Britain who achieved stardom with her voice.The official China Daily reported that, Wu Baiwei, the oldest contestant on "Happy Girl," who is the equivalent of Pop Idol in China, is now one of the top 50 contenders for an...