Times (UK): When politicians say there is no Plan B, it usually means that they have given up on Plan A and are unsure what to do next. The UN climate summit in Copenhagen has been portrayed as the last chance to save the planet by those keen to bounce the world into agreeing a treaty on cutting greenhouse gases. Copenhagen is, of course, merely the last chance until the next chance. The key players are already preparing for another summit next November, when the real deal may be …