In this Thursday, Nov. 20, 2014 photo, visitors pose for photos outside an entrance to Peking University in Beijing, China. Over two weeks in late 2014, the state-owned Liaoning Daily newspaper in China’s northeast sent reporters to sit in on dozens of university lectures all over the country looking for what the paper said were professors “being scornful of China.” (AP Photo/Ng Han Guan) (The Associated Press)
FILE - In this Nov. 6, 2009 file photo, economist Ilham Tohti, left in the background, a professor from China's predominantly Muslim Xinjiang region, talks while showing a photo of heavily armed Chinese policemen facing off with a group of Uighur protesters during July 2009 ethnic violence, to stude...
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