President Barack Obama’s latest critique of the Keystone XL oil pipeline still leaves a path for approving the project — but its supporters may need to make concessions to blunt its impact on the climate, analysts said Monday. Obama’s remarks to The New York Times echoed some of the most potent criticisms offered by Keystone’s opponents, scoffing at GOP claims about job creation and warning that the pipeline might even raise gasoline prices. He also said Canada “could potentially be doing more” to counteract the greenhouse gas emissions being unleashed from Alberta’s oil sands, the major reason for climate activists’...