After Luzhkov's latest deadly sin -- he let Muscovites choke during the wildfires while he went on vacation -- Putin praised him for returning "in good time", when the worst of the hell was over. (In Luzhok's defense, there have been rumors going around that his health is failing, possibly from cancer, and his doctors told him to stay away from the smog or die.) But Medvedev, for the first time, showed a bit of menace: he denounced the mayor and got state TV to slander ...