U.S.

Associated Press
Shell Alaska Vice President Pete Slaiby speaks at a news conference on Thursday, Aug. 30, 2012, in Anchorage, Alaska. U.S. Interior Secretary Ken Salazar on Thursday said Royal Dutch Shell PLC can begin preparation work at exploratory drilling sites in the Chukchi Sea off Alaska's northwest coast while it awaits certification for its oil spill response barge. (AP Photo/Mark Thiessen)

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