Several years ago, a University of Michigan PhD student who had spent years living and researching in China, attended a U.S.-based event commemorating the 25th anniversary of the Tiananmen Square massacre. But she was worried about speaking at the event. She knew that if she criticized Chinese soldiers gunning down unarmed protesters, students could report her to the Chinese authorities, which could jeopardize her research, her access to interview subjects, and even her entire academic career. E