The TV ad has just begun to air on such networks as Comedy Central, ESPN, and NBC, Timberland said. ???Fall 2013 marks a major turning point for Timberland, as we re-launch our brand to a new generation,??? Jim Davey, Timberland???s global vice president of marketing, said in a statement. ???In everything from product to creative to in-store presence, consumers will see a new Timberland; one that