Rolling Stone: The greening of American energy is both real and profound. Since President Obama took office, the nation's solar capacity has increased more than tenfold. Wind power has more than doubled, to 60,000 megawatts -- enough to power nearly 20 million homes. Thanks to aggressive new fuel-efficiency standards, the nation's drivers are burning nearly 5 billion fewer gallons of gasoline a year than in 2008. The boom in cheap natural gas, meanwhile, has disrupted the coal industry. Coal-power generation, though...