Sporting goods retailers, including the broader hunting and fishing category, have struggled over the past few years. That's at least partially because the internet has nibbled away at their sales. As a casual tennis player, for example, I used to have to go to a sporting goods retailer if I needed tennis balls, which created the possibility that I might buy something else. That's a small sale lost for the retailer, but also a larger opportunity to convert a purchase into something bigger. "Research est ...