Roughly a year before [his assassination], I had interviewed Nemtsov about Putin's grotesquely corrupt Winter Olympics in Sochi, asking him about the… - John Sweeney

What was the value to the West of Ceausescu's dissent from Moscow's diktat? Was it of inestimable worth? Or was it, in fact, a marginal propaganda gain of little real substance? Ceausescu was an irritant to the Russians, but they never felt threatened by him. They did march their troops up and down near the Romanian border when Ceausescu was visiting China in 1971; but they invaded Czechoslovakia when the Prague spring got out of hand. The difference is clear. Dubček challenged the communist system. Ceausescu never did. He was not, then, a serious 'enemy of my enemy'. The West misread the cards.

Putin's understanding of the world is maddeningly narrow, reduced to a gloomy tunnel vision, locked into a false narrative of betrayal. He once declared the fall of the Soviet Union 'the greatest geopolitical catastrophe of the twentieth century'.
What?
Worse than the First and Second World Wars? Worse than the Holocaust? The Soviet Union was, in reality, a dark totalitarian dictatorship under Stalin that slowly morphed into a gloomy senility.

Andrei, easily the most intelligent and sophisticated of the long-lasting sycophants, could well have behaved decently – in return for what favours one can only guess. Perhaps he was genuinely a good man. Perhaps.