Wall Street Journal: Retired military officers are urging the U.S. to get serious about changing the country’s approach to energy use. In a new report from Alexandria, Va.-based Center for Naval Analyses, a bevy of high-ranking former Army and Navy officials stress that the country’s reliance on oil poses a threat to national security and undermines the country’s ability to wage war. That’s because the hegemony of oil empowers plenty of dodgy nations, and because it imposes huge (and expensive) logistics …