Guardian: Delegates at the Conservative conference cheered today as Theresa Villiers, the shadow transport secretary, said a future Tory government would say no to a third runway at Heathrow and instead give the green light to a £20bn 180mph rail link between Leeds, Manchester, Birmingham and London. “This is one of the hardest decisions we’ve faced as a party and we will not run away from it,” she said. A high-speed link from St Pancras to Heathrow, connecting the north, could replace …