World News | Edward Wong, NYT News Service | Friday May 21, 2010
In public, he was a twice-divorced computer science professor dedicated to his students and to caring for an elderly mother who suffers from Alzheimer's disease.In private, the professor, Ma Yaohai, 53, led a life that became intolerable to Chinese authorities: for the past six years, he was a member of informal swingers clubs that practiced group ...
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