Our friends at the Guardian have attempted to get out of the London-centric politico-media bubble by appointing a Northern Editor, Helen Pidd. Their financial pressures had them even contemplating moving away from their Islington/Hampstead spiritual home and back up North. Guido can’t help thinking that Guardian journalists will have their own self-selecting social bubble wherever they go. Now Helen will no doubt protest that she didn’t write the headline used in the meme above, but…