MINNETONKA, Minn.--(BUSINESS WIRE)--Entrust Datacard today announced that First Tennessee Bank—a subsidiary of First Horizon National Corp. (NYSE:FHN) with approximately 170 branches in and around Tennessee—has experienced increased customer satisfaction levels and overall debit card portfolio performance since implementing Datacard® financial instant issuance solutions. First Tennessee Bank has initially rolled out instant issuance to 165 of its branch locations, giving its customers the abili