A Grass Valley man remains in county jail after allegedly shooting another man in the head with a pellet gun during an argument. Grass Valley Police officers responded to the residence in the 600 block of Le Duc Street at about 2 p.m. Wednesday after a woman called to report that her grandson had been shot in the head with a pellet gun. Both men had been drinking, said Police Capt. Rex Marks, and began a “rather aggressive argument” that reportedly stemmed from one of the men taking their two dogs for a walk and returning without the dogs. The …