A secondary teacher has been dubbed “China’s Superdad” for adopting nearly 300 parentless children over the past three decades.Bai Jian, 52, is a physical education (PE) teacher at Anshan No 2 Middle School, Liaoning province, northeastern China.He rents a big property to accommodate 20 to 30 children.Since 1995, at least 276 children have lived on the estate which is called Dream Home by Bai, the news outlet The Paper reported.Among the children have been orphans or others simply discarded...