Sadie is One. Lucky. Dog. She's got two doting parents, Kristina and Brandon, and more toys than some kids. At Volunteer Park, Sadie was beside herself with all the people around her playing soccer and Frisbee, and the squirrels and crows to stalk. At one-and-a-half, she's got tons of energy and loves to play.   Kristina's always wanted a pet, but her parents wouldn't let her have one growing up. (Too much work!) Her mom even tried to talk her out of getting Sadie, but now Sadie's grown on her. Sadie's favorite toys are balls, Frisbees and new people. When she meets a new person, her tail wags so hard her back legs bounce back and forth too. Brandon wanted a dog who would fetch, and fetching is Sadie's speciality. Even if she misses the catch and the ball smacks her face, she doesn't seem to mind. High five!