Prime Minister Stephen Harper

The Obama administration is unlikely to make a decision on the Canada-to-Nebraska Keystone XL pipeline until late this year as it painstakingly weighs the project's impact on the environment and on energy security, a U.S. official and analysts said on Friday.The decision may not be made until November, December or even early 2014, said a U.S. official, as President Barack Obama will not rush the process, which still has a number of stages to work through. One of those stages has not even begun yet and will run for months."The president has to be able to show that the administration looked under every stone to ensure it knew as much as it possibly could about the impact of Keystone," said the official, who did not want to be named given the sensitive nature of the project.Analysts agreed that a decision would not be made by this summer as the State Department had suggested when it issued an environmental review on the pipeline on March 1.The State Department is nominally in charge of ma...

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