Guardian: Forget, for a moment, the fragility of the Arctic environment and the likely consequences of a spill there. Forget the dangers of deepwater drilling in a strait plagued by storms and icebergs, and the difficulties – greater than in the Gulf of Mexico – of capping a leaking well there. There’s an even bigger question raised by a British company’s discovery of oil off the coast of Greenland. It’s the same question that is invoked by the decision the British government is expected to make …