Despite the crackdown rhetoric, oligarch cash is embedded in London John Harris

n some of London’s most exclusive neighbourhoods, you can suddenly sense the kind of unease that wealth usually keeps at bay. As the government talks up its crackdown on Russian oligarchs, a much wider shift may be afoot. Last Friday, the Financial Times quoted the chair of Aylesford International, a Chelsea estate agent whose current offerings include a four-bedroom apartment going for the best part of £12m ($16m). “The severity of these sanctions is the beginning of a new world, a new market,” he said. “I don’t