Although antique firearms attracted some attention, many people bought modern weapons. When folks visited Jerry Cochran's tables at Saturday's gun show in the Roanoke Civic Center, they were mainly purchasing high-capacity magazines and guns such as the AR-15. Cochran, who runs two Trader Jerry's gun shops in Cedar Bluff and in Salem, said he believed fear was driving many of his customers at Saturday's show, hosted by Blacksburg-based promotion company Showmasters. "It's a fear of the government prohibiting what they want," he said, "which is their right to own guns." Saturday's show filled the civic center with a large variety...