Another day, another excuse to celebrate food. Today is National Sandwich Day which means lots of sandwich shops are handing out free subs, hoagies, footlongs -- call it what you want. Some venues are offering BOGO deals, while others are donating meals to food pantries for every sandwich purchased. At Potbelly Sandwich Shop, one lucky winner will get free sandwiches for a year! Unfortunately, few are handing ‘em out free of charge. Here’s where to go if you’re looking to save on your sandwich today. Happy eating!