Reuters: As California sets the ground rules for drilling in the Monterey oil formation, a hard-to-reach shale reserve that is the largest in the United States, some environmentalists worry that politicians, regulators and fellow activists are fighting the wrong battle. The state regulator is hammering out rules for hydraulic fracturing, while the legislature is debating 10 bills on the practice. The drilling technique known as "fracking" has caused so much concern about environmental problems that it is...