FILE - In this April 21, 2010 file photo, the Deepwater Horizon oil rig burns in the Gulf of Mexico, more than 50 miles southeast of Venice on Louisiana's tip. Halliburton Energy Services has agreed

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FILE - In this April 21, 2010 file photo, the Deepwater Horizon oil rig burns in the Gulf of Mexico, more than 50 miles southeast of Venice on Louisiana's tip. Halliburton Energy Services has agreed to plead guilty to destroying evidence in connection with the 2010 Gulf oil spill, the Department of Justice said Thursday, July 25, 2013. (AP Photo/Gerald Herbert, File) less 

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Associated Press
Fri, Jul 26, 2013 11:24 PM EDT