Nigeria's Minister of Petroleum Resources Diezani Alison-Madueke gestures as he speaks during a session at the World Economic Forum in Davos, Switzerland, Friday, Jan. 27, 2012. (AP Photo/Michel ... more 
Nigeria's Minister of Petroleum Resources Diezani Alison-Madueke gestures as he speaks during a session at the World Economic Forum in Davos, Switzerland, Friday, Jan. 27, 2012. (AP Photo/Michel Euler) less 
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Associated Press | Photo By Michel Euler
Fri, Jan 27, 2012 10:35 AM EST