Thomas Friedman, NY Times
WE are in the midst of a natural gas revolution in America that is a potential game changer for the economy, environment and our national security — if we do it right.The enormous stores of natural gas that have been locked away in shale deposits across America that we’ve now been able to tap into, thanks to breakthroughs in seismic imaging, horizontal drilling and hydraulic fracturing, or “fracking,” are enabling us to replace much dirtier coal with cleaner gas as the largest source of electricity generation in America. And natural gas may soon be...