杨尚昆
Li explicitly asserts that Deng Xiaoping personally took all the big decisions, including ordering the People's Liberation Army to crack down on Tiananmen Square on 4 June 1989; the decision to impose martial law was taken at a meeting with five Politburo Standing Committee members and president Yang Shangkun at Deng's home on 17 May, when it was also decided to replace Zhao Ziyang with Jiang Zemin as General Secretary of the Communist Party of China.