Walmart is probably one of the best-known supermarket chains in the world. Even if you're not American, you've probably heard of it or seen something about it in some form of media. Indeed, Walmart is ...

Opinion editor’s note: Strib Voices publishes a mix of commentary online and in print each day. To contribute, click here. My mom can’t drive, so every week I take her to the Hibbing, Minn., Walmart.