Forget changing leaves and brisk breezes — pumpkin spice is the official harbinger of fall. And, for better or worse, Spam is entering the flavor fray. Starting September 23, lovers of all things autumn can purchase limited-edition Spam Pumpkin Spice on Walmart and Spam’s online stores, a spokesperson for Hormel Foods told CNN. There’s no pumpkin in this pork: It’s mixed […]