ExxonMobil Chairman and CEO Rex Tillerson, right, takes his seat at the witness table on Capitol Hill in Washington, Thursday, May 12, 2011, prior to testifying before a Senate Finance Committee ... more 
ExxonMobil Chairman and CEO Rex Tillerson, right, takes his seat at the witness table on Capitol Hill in Washington, Thursday, May 12, 2011, prior to testifying before a Senate Finance Committee hearing with top executives from the big oil companies on high gasoline prices and high profits. ConocoPhillips' Chairman and CEO, James Mulva is at left. less 
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Associated Press | Photo By J. Scott Applewhite
Thu, May 12, 2011 10:32 AM EDT