Mikhail Gorbachev, left, President of the USSR and General Secretary of the CPSU Central Committee, Nursultan Nazarbayev, First Secretary of the Kazakh Communist Party Central Committee, and Ivan Polozkov, First Secretary of the Russian Communist Party Central Committee, in the presidium of the 28th Congress of the CPSU. The Kremlin Palace of Congresses (now the State Kremlin Palace).