Chinese tycoon Guo Wengui, who was once considered to be one of China's richest businessmen, has been sentenced to 30 years in jail in the US for running a billion-dollar scam. In 2017, Wengui fled China to the US, where he reinvented himself as a critic of the Communist Party and built a loyal online following. But Guo was later convicted on charges of racketeering, fraud and money laundering, according to a BBC report.New York court judge Analisa Torres said Guo had "preyed on those seeking to bring democracy to China", taking their money to fund his lavish lifestyle.Who is…