beijing big-character poster bo yibo bombard the headquarters capitalist roader central committee chen boda chen yun china chinese name chinese surname class struggle communist party of china cultural revolution cultural revolution group democracy wall deng xiaoping dong biwu down to the countryside movement eight model plays four olds fujian gang of four great leap forward hai rui dismissed from office han chinese hu jintao hubei hunan jiang qing jiang zemin kai feng kang sheng learn from daqing in industry li lisan li peng li xiannian lin biao liu long march lushan conference mao yuanxin mao zedong maoism marco polo bridge incident moscow new fourth army peng dehuai peng zhen pinyin pneumonia qiao shi scar literature shanghai simplified chinese characters socialist education movement soong ching-ling struggle session the rusticated youth of china tiananmen incident traditional chinese characters two whatevers wade-giles wan li wang dongxing wang guangmei wang hongwen wu bangguo wuhan incident xie fuzhi yang shangkun yao wenyuan ye jianying zhang chunqiao zhou enlai zhu de