Agence France-Presse: A boom in gas production will reshape the US role in Asia and could fuel new tensions with a growing, energy-hungry China, a new report says. US foreign policy has historically been based largely on demand for outside energy, with Washington closely allying itself with oil-rich Arab monarchies. But a major increase in gas production -- in part through the controversial practice of "fracking" deep underground -- has given the United States the prospect not just of energy independence but of playing...