They had a better way back then: at Stalin's era people could be jailed for any disagreement with the Bolshevics, today only for stating that Hitler was a good guy. Besides, a similar law is in Germany - one can be jailed for Holocaust denial.
You apparently have not been reading any of the news out of the Soviet Union (formerly known as Russia) about the journalists , business men, and others who disagree with Putin are being rounded up and tossed in jail
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Do not kid yourself. Putin is restoring the Soviet glory (according to him). He is, was, and will always be KGB.