A committee from the Republican-led House of Representatives said it issued a subpoena to the State Department on the permit process for Keystone XL . The House Oversight and Government Reform Committee said it wanted “all reports, recommendations, letters, and comments received by the State Department” about the Keystone XL oil pipeline planned to cross the U.S.-Canadian border. The Republican-led Congress that took its seat in January said passing legislation to approve construction of Keystone XL, offered for U.S. federal consideration more than six years ago, was job No. 1. The pipeline has become a scapegoat for U.S. energy policies, with backers touting its energy and economic benefits, while detractors say it’s too environmentally risky to support. […]