BRYAN, Ohio -- When the New England Confectionery Co. filed for bankruptcy in Boston last spring, there was such an immediate and deep sense of loss across the country that folks took to local stores and Amazon to claim a piece of yet another what-used-to-be. Necco Wafers, its signature product, had been part of Americana since before the Civil War. In fact, the company said the sugary, chalky wafers were a favorite of soldiers because the confection didn't melt, and that they were consumed by Union soldiers on the battlefield during the Civil War and by GIs during World War...