An aid agency is trying to achieve what the Luftwaffe and V-2 rockets failed to do: the destruction of St. Paul's cathedral. ActionAid has submitted an application to the City, requesting the "total demolition" of Wren's 17th century masterpiece, in order that they can search for precious metals underneath. Surely they can't be serious. The very idea! What's yanked the chain of these cheeky chariteers? The request is actually an ingenious way of calling......