Al Anderson, commissioner of the North Dakota Chamber of Commerce, speaks at the opening day of the Williston Basin Petroleum Conference in Bismarck, N.D. Tuesday, May 22, 2012. (AP Photo/The Bismarck... more 
Al Anderson, commissioner of the North Dakota Chamber of Commerce, speaks at the opening day of the Williston Basin Petroleum Conference in Bismarck, N.D. Tuesday, May 22, 2012. (AP Photo/The Bismarck Tribune, Mike McCleary) less 
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Associated Press | Photo By The Bismarck Tribune, Mike McCleary
Tue, May 22, 2012 9:59 PM EDT