Can we dare to hope?
Michael McCarthy writes: Can you hear it, the great unlocking sound? It's the sound of the door swinging open at last after nearly eight long years of being bolted and barred, the door that leads to progress in the world's attempt to grapple with the biggest problem it has ever faced: global climate change.
Barack Obama's statement of intent about the coming year's negotiations to replace the Kyoto Protocol suddenly raises an electrifying possibility: the possibility of success.
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Every sign of change is pounced on, almost ravenously, as Obama gives signs of fulfilling hopes. But this is the easy bit. Do you think the idealism will sruvive the realities of office?