In this Feb. 1, 2012 file photo, miles of pipe for the stalled Canada-to-Texas Keystone XL pipeline are stacked in a field near Ripley, Okla. (AP Photo/Sue Ogrocki, File) — FILE
Featured Photo Galleries
In this Feb. 1, 2012 file photo, miles of pipe for the stalled Canada-to-Texas Keystone XL pipeline are stacked in a field near Ripley, Okla. (AP Photo/Sue Ogrocki, File) — FILE
