Source: China – South China Morning PostAfter a semester online, Wang Ziwei looked forward to meeting classmates returning to campus at Washington University in St Louis, Missouri. But the US revoked his visa on security grounds, the 23-year-old finance student said.Wang is among at least 500 students who the Chinese government says have been rejected under a policy issued by then-president Donald Trump – to block Beijing from obtaining US technology with possible military uses. Students argue that it is applied too broadly and fume…Read More