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CBS Evening News - U.S. State Dept. delays TransCanada oil pipeline
U.S. Orders Rerouting Study Of Oil Pipeline
Surprise in Keystone XL pipeline controversy
Keystone XL oil pipeline clears significant hurdle
VIDEO: Alcorn County oil pipeline catches fire earlier this morning
Obama Administration Delays Keystone XL Pipeline Approval
Secretary Clinton Discusses the Keystone Pipeline Project
Congress calls for probe into State Dept. alleged cover-ups
TransCanada announces plan for oil pipeline across Canada
Could Keystone Pipeline Plan Be Revived After Obama's Rejection?
Conservationists Sue To Block TransCanada Pipeline
Two More Pipeline Bills Introduced
