There was Vladimir Putin the other day doing what he does best. The Kremlin strongman who has promised to put rebels in the outhouse, threatened an annoying reporter with circumcision and shot darts at rare Siberian tigers, has responded to the pre-election unrest about his planned return to the Russian presidency with his tried-and-true playbook: a noxious brew of ethnic nationalism and macho chauvinism, mixed in with nuclear posturing, America-bashing and old-fashioned scaremongering.