Keystone pipeline may be headed for further delay
Briefly

A debate of more than five years could stretch even longer with Wednesday's call for a health study on the proposed Keystone XL oil pipeline from Canada.
Answers show how the pipeline has become a political albatross around the neck of President Barack Obama and Democrats as they try to hold onto control of the Senate in November's congressional elections.
Environmental groups oppose the pipeline because extracting and refining the tar sands oil emits 17% more of the carbon pollution that contributes to climate change than conventional oil production.
Read at www.cnn.com
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