Just off the interstate in Kenosha, Wisconsin, sits the Mars Cheese Castle. But if you spend quality time in the store’s huge parking lot, you discover that the big seller is not the Dairy State’s questionable curds but a fine Wisconsin beer called Spotted Cow. It’s the product of the New Glarus Brewing Co. and it’s not distributed in Illinois. That’s why a huge mound of 12-packs sits in the …..