Boston Globe: The emergence of hydraulic fracturing, or fracking, as a major source of domestic oil and gas has often put energy companies and environmentalists at bitter odds. But two developments out West show that doesnt always have to be the case. The boom in fracking, which involves drilling into shale formations and using high-pressure water and chemicals to force out fuel, has raised the hope of greater energy security for the United States. But it has also prompted fears that the process releases too...