BBC: In the Grand Ballroom Of Chicago’s Magnificent Mile Hotel, dinner was over. Beef, of course. A great pink hunk of it from the American Mid-West. At the world’s biggest gathering of climate change sceptics, organised by the right-wing Heartland Institute, vegetarians were an endangered species. Wine flowed and blood coursed during a rousing address from Heartland’s libertarian president Joseph Bast. Climate change is being used by governments to oppress the people, he …