While U.S. Ambassador to Afghanistan Ryan Crocker says there is a path toward relative stability in Afghanistan and away from a return to the kind of civil war that devastated the country in the early 1990s, the difficulties still facing that nation have been underscored by more violence:
-- CNN.com reports that "a bomb exploded inside a shop in the northern Afghanistan province of Faryab on Monday, killing nine people, according to the Afghan Interior Ministry."
A technique called hydraulic fracturing, or fracking, has kicked off an energy boom in the United States. Fracking lets drillers unlock vast reservoirs of natural gas that were previously inaccessible. Over the past decade, about 200,000 gas wells have been drilled across the country.