Britain's Secretary of State for Energy and Climate Change Ed Davey speaks speaks during the Liberal Democrats annual conference in Brighton, southern England September 23, 2012 file photo. ... more 
Britain's Secretary of State for Energy and Climate Change Ed Davey speaks speaks during the Liberal Democrats annual conference in Brighton, southern England September 23, 2012 file photo. REUTERS/Luke MacGregor less 
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Reuters | Photo By � Luke MacGregor / Reuters / Reuters
Thu, Feb 13, 2014 2:09 PM EST