Some 15 years ago, then-high school student Joshua Wong was a rising political star in Hong Kong's pro-democracy movement. Now 30, he has been sentenced for the second time under a Beijing-imposed national security law that effectively crushed the movement he once championed.Critics say Wong’s imprisonment reflects the authorities’ determination to keep prominent dissidents behind bars. But Beijing views him as an anti-China figure supporting Hong Kong independence.Here is what to know about the activist.Wong became a household name in the city as a teenage activist in 2012 when he and h…READ FULL ARTICLE