**FILE** Protesters opposed to the Keystone XL pipeline hold signs outside the office of Rep. Lee Terry, Nebraska Republican, in Omaha, Neb., on July 26, 2011. (Associated Press)

Photo by: Nati Harnik

**FILE** Protesters opposed to the Keystone XL pipeline hold signs outside the office of Rep. Lee Terry, Nebraska Republican, in Omaha, Neb., on July 26, 2011. (Associated Press)