Independent (UK): At six minutes past one last Monday afternoon, Linda McCutcheon answered her mobile phone in Sipson, Middlesex, and the environment, the forgotten issue of this election, suddenly became a live concern. She listened, scowled, and then pronounced: “That’s put the stopper on it. I’m voting Tory.” Mrs McCutcheon had just been informed of the passage in the Labour manifesto — section 1:8, if you’re interested — in which the party pledges it will allow no new runways to be built at …