What, it might be wondered, occurs to George W Bush as he follows the tumult in North Africa from the safety of his retirement home in Houston? Or to Tony Blair, as he scans the satellite channels from his offices in east Jerusalem? The former president has so far remained silent; the former prime ministerhas spread himself all over the airwaves with calls for stability. But might there not – should there not – be one question on their minds? Is President Obama succeeding where they so expensively failed?
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