If you've been to the BARn, you know that we're pretty laid back. We're not the kind of place where you need a reservation. When presented with Valentine's Day falling on a day that we are open, we knew we had to brew up some love in our laid back, BARn way. Friday night--Valentine's Day--and all weekend long, we're doing something that we hope you will love--A Valentine's Day Special. In true Piney River style, our special includes beers of your choice paired with a single-topping pizza followed up by a homemade, stout brownie (warm, studded with dark chocolate) topped…