Reuters More NEW YORK, Nov 7 (Reuters) – For environmentalists, votes this week to ban fracking in three Colorado cities may prove symbolic victories at best, as two decades of legal precedent suggests drillers can successfully contest the bans in court, experts say. In elections on Tuesday, the cities of Boulder, Lafayette and Fort Collins voted to suspend or ban fracking, which environmentalists hoped would strengthen opposition to the drilling process. But in Colorado, which has been a hub of energy production for decades, a number of cases have established that local municipalities may not halt energy drilling. Attorneys versed in Colorado law say the votes will likely be overturned should they be pursued in court. In 1992, the Colorado Supreme Court struck down a drilling ban implemented by the City of Greeley, known as the Voss versus Lundvall Brothers case, upholding the Oil and Gas Conservation Act that […]