Unexploded Rocket-Propelled Grenade Impales Army Private in Afghanistan By RUTH REISS [snip] One RPG skidded past Lt. Mariani's vehicle. All of the vehicles had to quickly get out of the "kill zone." But before they could get to safety, two rockets hit Pvt. Moss' Humvee. Staff Sgt. Eric Wynn, 33, the soldier in the front passenger seat, felt one slice through his face. Moss remembers the truck practically lift up. He was thrown up against the Humvee and then moved to return fire. "I smelled something smoking and I looked down ... and I was smoking," he said. Wynn turned...