By Ellen Eldridge, President-Elect, SPJ Georgia     Atlanta, Georgia – John Ruch said he thought someone was being a jerk by waving a hand in front of his cell phone as he tried to take a picture of a protester’s arrest Nov. 26. The Creative Loafing freelance reporter said he had a great view through the crowd in Atlanta, and he was trying to take photographs for his assignment.   Moments later, Ruch realized the hand belonged to an Atlanta police officer. The officer grabbed Ruch’s arm from behind and another officer nodded an okay to arrest Ruch and a few others, who he said seemed randomly chosen…