Diezani Alison-Madueke, Nigeria’s minister of petroleum, speaks during the closing news conference at the 157th Organization of Petroleum Exporting Countries (OPEC) meeting in Vienna, Austria, on Thursday, October 14, 2010. Oil climbed for a second day in New York after an industry-funded report showed U.S. crude supplies fell and the Organization of Petroleum Exporting Countries moved closer to improving compliance with production cuts. Photographer: Vladimir Weiss/Bloomberg via Getty Images
