Sen. John Hoeven, R-N.D, gestures as speaks about the Keystone Pipeline 

Sen. John Hoeven, R-N.D,  gestures as speaks about the Keystone Pipeline during a news conference on Capitol Hill in Washington, Wednesday, Jan. 23, 2013. A key approval of a revised route for the Keystone XL oil pipeline from Canada to the U.S. Gulf Coast puts the long-delayed project back in the hands of the U.S. government.  (AP Photo/Jacquelyn Martin)
Associated Press
Sen. John Hoeven, R-N.D, gestures as speaks about the Keystone Pipeline during a news conference on Capitol Hill in Washington, Wednesday, Jan. 23, 2013. A key approval of a revised route for the Keystone XL oil pipeline from Canada to the U.S. Gulf Coast puts the long-delayed project back in the hands of the U.S. government. (AP Photo/Jacquelyn Martin)
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