Gao Zhen is being retroactively punished for 15 year-old-works, in a case that has alarmed rights groups.
Stanford said the papers, which mentioned the Tiananmen Massacre, would be banned if returned to Beijing.
Critics say Xi's purges reveal a ruthless drive for absolute loyalty and total control of the military.
BBC correspondents give us their biggest takeaways from China's National People's Congress.
Beijing has spent decades relying on exports and innovation but that model is now under strain.
China has repackaged Xinjiang into a tourist haven, touting "ethnic" experiences that activists say it's trying to erase.
President Xi shows off his power and influence in an open challenge to US supremacy and the world order.
The whistleblower told US lawmakers the company undermined national security to make billions in China.
The BBC's Stephen McDonell breaks down what to look out for as China's leaders meet this week.
