My poems were written in anger after Tiananmen Square. But what motivates most prison writing is a fear of forgetting. Today I am free, but the regime has never stopped its war on words. By Liao Yiwu Because of industrial action taking place by members of the National Union of Journalists at the Guardian and Observer this week, we are re-running an episode from earlier in the year. For more information please head to theguardian.com. We’ll be back with new episodes soon.. Help support our independent journalism at theguardian.com/longreadpod