More Print Critics of hydraulic fracturing were quick to pounce on last week's well blowout in Pennsylvania as proof that the controversial method of extracting natural gas is an environmental threat. That includes state Attorney General Eric Schneiderman, who just days earlier rashly overreached and vowed to sue the federal government unless it commits within 30 days to conducting a full review of regulations that would allow natural-gas drilling in the Delaware River Basin. At issue is fracking -- the controversial process in which a high-pressure mix of water, chemicals and sand is used to extract natural gas from rock...