Sen. John Hoeven, R-N.D, points at a illustration of existing pipeline, while speaking at a news conference about the Keystone XL oil pipeline on Capitol Hill in Washington, Wednesday, Jan. 23, 2013. (AP Photo/Jacquelyn Martin)

Associated Press
Sen. John Hoeven, R-N.D, points at a illustration of existing pipeline, while speaking at a news conference about the Keystone XL oil pipeline on Capitol Hill in Washington, Wednesday, Jan. 23, 2013. (AP Photo/Jacquelyn Martin)
Sen. John Hoeven, R-N.D, points at a illustration of existing pipeline, while speaking at a news conference about the Keystone XL oil pipeline on Capitol Hill in Washington, Wednesday, Jan. 23, 2013. (AP Photo/Jacquelyn Martin)
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