ExxonMobil chairman and CEO Rex Tillerson laughs as he takes his seat on Capitol Hill in Washington, Thursday, May 12, 2011, prior to testifying before the Senate Finance Committee hearing with top ... more 
ExxonMobil chairman and CEO Rex Tillerson laughs as he takes his seat on Capitol Hill in Washington, Thursday, May 12, 2011, prior to testifying before the Senate Finance Committee hearing with top executives from the big oil companies on high gasoline prices and high profits. less 
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Associated Press | Photo By J. Scott Applewhite
Thu, May 12, 2011 9:57 AM EDT