Sycophants and toadies, some of them victims of Yeltsin’s purges in Moscow, took the microphone one after another to berate the heretic. Gorbachev watched his nemesis as the hammer blows descended.

It is the culmination of a struggle for supremacy between Mikhail Gorbachev, the urbane, sophisticated communist idolized by the capitalist world, and Boris Yeltsin, the impetuous, hard-drinking democrat perceived as a wrecker in Western capitals.