Apart from North Korea and Cuba, no country calls itself socialist any more. So why bother about old debates on the nature of the USSR? Since capitalism rules the world, what else is there to know?! A great deal.
It’s crucial to understand why Russia was capitalist in 1980, or 1930, or 1920, if we wish to understand what capitalism really is, and what can and must be revolutionized in Russia as well as in Britain in the XXIst century.