A half-century ago, Chairman Mao called on Chinese to speak their minds and offer constructive criticism of the Communist Party's work. But when they did, at least 50,000 were branded "rightists." Many lost their careers; some lost their lives.
Now, as China's legislature holds its annual session, some of Mao Zedong's victims from that time are asking their leaders to revisit a chapter that they've tried to airbrush out of history.
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