Peter Voser, Chief Executive Officer of Shell, smiles as he poses for a picture ahead of the Royal Dutch Shell’s full year results 2012 press conference, in London, Thursday, Jan. 31, 2013. (AP ... more 
Peter Voser, Chief Executive Officer of Shell, smiles as he poses for a picture ahead of the Royal Dutch Shell’s full year results 2012 press conference, in London, Thursday, Jan. 31, 2013. (AP Photo/Kirsty Wigglesworth) less 
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Associated Press | Photo By Kirsty Wigglesworth
Thu, Jan 31, 2013 12:41 PM EST