From the outside a dog’s life can seem close to ideal, at least at those moments when your desire to do nothing runs up against the imperatives of being alive (going to work, doing dishes, buying food for the dog, etc.). Plus, dogs generally don’t require fistfulls of Advil just to make it through the day. But would they, if they understood the concept of medicine, and could somehow unscrew those childproof caps with their paws? Put otherwise: do dogs get headaches? For this week’s