Columbus Dispatch: The fight over the Keystone XL pipeline had all the elements of a classic Washington scrap: protests, political ads and lobbyists on retainer. What was sometimes missing in the seven-year struggle, energy analysts say, was an accurate accounting of the projects impact on the environment or the economy, the twin issues that drove the debate. Environmentalists said Keystone XL, which TransCanada Corp. first applied to build in 2008, raised the risks of climate change. But a U.S. environmental review...