The improved economy has enabled many consumers to feel more financially secure and has increased their willingness to shop — however, retailers, from mass to luxury, continue to struggle with store traffic and sales.   According to Wendy Liebmann, WSL Strategic Retail’s CEO and Chief Shopper, “The reason why retail sales growth continues to be challenging is that American shoppers are now spending differently based on a new set of priorities. They want to be more financially responsible, lead...