An oil drilling rig, near Stanley, North Dakota. The well is being drilled into the Bakken Formation, one of the largest contiguous deposits of oil and natural gas in the United States. Photographer: Karen Bleier/AFP/Getty Images
An oil drilling rig, near Stanley, North Dakota. The well is being drilled into the Bakken Formation, one of the largest contiguous deposits of oil and natural gas in the United States. Photographer: Karen Bleier/AFP/Getty Images
%7Cutmccn%3D(direct)%7Cutmcmd%3D(none);&utmn=582040242&utmp=%2Fphoto%2F2012-01-19%2Ftranscanada-may-shorten-keystone-xl-bypass-federal-review&utmhn=10.248.179.13&utmac=UA-11413116-12&utmhid=190567559)