Donald Gilliland, journalist at Central Pennsylvania local news site PennLive.com, discusses his series of articles chronicling the PA Office of Homeland Security’s practice of tracking Marcellus Shale activist groups — going far beyond their mandate of protecting infrastructure, the outsourcing of surveillance to American/Israeli security contractor ITRR, arguments between privacy advocates and the 'if you have nothing to hide there’s nothing to worry about' crowd and how the state DHS office...