"ARE THEY retarded or just plain evil?" so asked a scathing commentary that was circulated recently through China's social media. The author was referring to officials at the education bureau in Chongqing, a south-western region. On November 2nd they had published a document saying that students wishing to take the university-entrance exam must undergo zhengshen, or political vetting. Those who failed this screening would be barred from taking the test.
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