WGCL (CBS 46) reporter Fred Powers seems to like his role as "stunt reporter" for the perennial ratings bottom-dweller in the local news race 'round these parts.Powers has been set on fire, bitten by attack dogs, tasered, "rescued" from a building as part of a firefighter training exercise, and most recently, shot while wearing a bulletproof vest by local police as a part of a training exercise -- all in the line of duty, and usually as part of "sweeps month" stunts.No wonder he's being dubbed the "human piñata" by TV wags.Not coincidentally, his biggest stories tend to pop up...