Reuters: Environmental groups in Colorado on Monday said they collected enough signatures to add proposed anti-fracking initiatives to a state ballot in November, as long as their petitions make it through a validation review by the Secretary of State's office. One of the initiatives would strengthen the state's "setback" rules, requiring new oil and gas development facilities to be located at least 2,500 feet from occupied structures and areas of interest, such as parks. The second would transfer regulatory...