Widespread confusion persists among merchants over Dallas’ new carryout bag ordinance, even as the law appears to be successfully moving shoppers away from throwaway bags. *** Half Price Books, for example, was erroneously told that its new reusable bags, which cost 10 times as much as the old bags, didn’t have the right wording. Kroger was chided because signs in its parking lots weren’t in Spanish as well as English. *** Half Price Books, after studying the ordinance closely, decided to invest in more expensive reusable bags to provide to shoppers. So people there were surprised when one of their...