(CNN) -- The Keystone XL pipeline has turned into a poster child for political posturing. While it is merely one of many pipelines crisscrossing North America, this project has become "red meat" that both sides of the congressional aisle are using to weaken each other in an election season. To make matters more complicated, Canadian public and private-sector officials have jumped into the fray by coming to town to extol the virtues of the pipeline. The battle has become so heated it's easy to lose sight of the main question on which the fate of the pipeline should rest -- whether the project is in America's national interest and what are the measurable benefits and costs.
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David Burwell: U.S. needs to think carefully about its national interest in considering pipeline
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Burwell: Fight over Keystone XL project is creating unnecessary collateral damage
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He says victims include transportation bill, relations with Canada, U.S. strategic interests
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Burwell: Congress needs to focus on real issues instead of partisan bickering
Our future energy balance and supply chain should not be short-stopped by attaching @placeholder as a nongermane rider to a transportation bill for temporary political gain.