Sending a powerful message, warning children never to bully others, Lisa Cripps of the DeKalb County Prevention Coalition used a storybook starring a giraffe to bring home her point during the next to last day of the Summer Reading Program at Justin Potter Library this past week. “Encourage them to be the best that they can be,” she urged the 45 children who packed the downtown library for the regular Thursday afternoon event. “Never bully.