The company seeking to build the Keystone XL oil pipeline asked the Obama administration on Monday to suspend its yearslong review of the project, potentially bringing an abrupt halt to a politically charged debate that had become part of a broader struggle over President Obama ’s environmental policies. It was not immediately clear whether the administration would grant the request, which was swiftly denounced by environmental activists as a bid to dodge a near-certain rejection of the pipeline. Allowing the delay would push off a decision until after the 2016 presidential election. The company’s request introduced a new element of uncertainty into the administration’s decision-making process, offering the potential to free Mr. Obama from […]