Twenty-five years ago, when Zong Qinghou was 42, he made his living selling soda and popsicles to schoolchildren.
He says he earned about $8 a month — less than a third of China's average wage at the time — and was so broke that he once slept in a tunnel under the streets of Beijing rather than spend on a hotel.
Today, Zong, 67, is still selling soft drinks — and lots of other things — as the wealthiest man in mainland China.
His...
