The Chinese government reaches beyond its borders to stifle critical discussion of its human rights record and repressive policies. China has long used its visa denial and censorship policies to muzzle discussion of the Tiananmen protests and their violent suppression by punishing and marginalizing the former student leaders and encouraging self-censorship among academics and foreign journalists writing about "sensitive" topics, including the events of 1989. Twenty-seven years after Tiananmen, these heavy-handed tactics are global in reach as China uses its diplomatic relationships and rising...