Putin is unlikely to suffer: his popularity is above 80 percent and he has formidable control over Russia’s security services and media. But the Kremlin called the challenge “a criminal act” and vowed to renew extradition attempts. British police are expected to investigate whether Berezovsky’s remarks violate U.K. laws, says a Brit official not authorized to speak on the record. The exile isn’t worried. “Britain is a free country and you can say what you want,” he says.