Like many of you, I have been following the debate over the proposed Keystone XL pipeline that would bring crude from the oil sands of Canada to refineries in the U.S. I am on mailing lists covering both sides of the issue, and based on some of the e-mails I get it seems that many people don’t realize that we already have pipelines crisscrossing the U.S. I get the impression that some people feel that

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