A Fort Knox drill sergeant became a Valentine's Day hero when he came to the rescue of a Pritchard Place child. Staff Sgt. Anthony Etheridge, a drill sergeant with Company B, 2nd Battalion, 81st Armor Regt., said he was washing his car when he noticed a neighbor's large Rottweiler running loose in the area. "I didn't think anything of it at first," he said. Etheridge initially thought the animal would stay close to home—until the dog began running toward a small boy playing in a grassy area in the neighborhood. "The dog started to run toward the kid," Etheridge said....