An argument broke out at a Delaware restaurant this week after a woman complained to a veteran that service dogs inside eateries are “nasty.” The video shows Ciara Miller standing inside of Kathy’s Crab House arguing with a small group of people, including a man holding a leash of a Great Dane wearing a vest that read: “PTSD service dog.” At one point a woman off camera is heard telling Miller the dog’s owner is a military veteran, the News Journal in Wilmington reported. Miller is heard responding the point is irrelevant and having an animal in a restaurant is...