The next act of Russian history is about to begin: Putin and Medvedev will pop off-stage into the Moscow green room, switch costumes, and re-emerge to play each other’s roles. Putin as president, again, Medvedev as PM. It’s the apotheosis of what has become known as ‘managed democracy’, and the ultimate triumph of the show’s writer-director, Putin’s chief ideologue and grey cardinal, Vladislav Sur