Mikhail Gorbachev and his reforms up for more public criticism, evident in Nina Andreyeva's critical letter in a March edition of "Sovetskaya Rossiya". Gorbachev acknowledged that his liberalising policies of "glasnost" and "perestroika" owed a great deal to Alexander Dubček's "Socialism with a human face". Indeed, when one reporter asked him what was the difference between his policies and the Prague Spring, Gorbachev replied, "Nineteen years". The Law on Cooperatives, enacted in May 1988, was perhaps the most radical economic reform of the early Gorbachev era. For the first time since Vladimir Lenin's New Economic Policy, the law permitted private ownership of
Central Committee elected by the 27th Congress of the Communist Party of the Soviet Union by Gennady Kolbin, an ethnic Russian who had never lived in the Kazakh Soviet Socialist Republic. On 23 December 1985, the Politburo appointed Boris Yeltsin, an official from Sverdlovsk, First Secretary of the Moscow City Committee ("de facto" mayor of Moscow). Gorbachev had endorsed the appointment, heeding the advice of Yegor Ligachev (the party's informal second-in-command) who personally recommended him. In contrast, Nikolai Ryzhkov told Gorbachev in private that "He [Yeltsin] will cause you only grief. I would not recommend him." Yeltsin, who had introduced himself as something of a centrist at the 27th Congress, proved himself to be a