City Paper: Anti-fracking activists protesting a natural-gas conference in Philadelphia last fall were being monitored by a private security company that sent a photo of a demonstrator to the Pennsylvania State Police, according to an email obtained by Pittsburgh City Paper. A few months earlier, at another industry-led conference, state trooper Michael Hutson delivered a presentation on environmental extremism and acts of vandalism across Pennsylvania's booming Marcellus Shale natural-gas reserves. He showed...