The Trump administration is prepared to tap U.S. emergency oil reserves if necessary after drone attacks shut oil output in Saudi Arabia, the world’s largest crude exporter, a Department of Energy spokeswoman said. Energy Secretary Rick Perry “stands ready to deploy resources from the Strategic Petroleum Oil Reserves if necessary to offset any disruptions to oil markets as a result of this act of aggression,” spokeswoman Shaylyn Hynes said. Yemen’s Iran-aligned Houthi group claimed credit for Saturday’s attacks on two plants at the heart of Saudi Arabia’s oil industry, including the world’s biggest petroleum ... (full story)