By Nuria Martinez-KeelStaff writernmartinez-keel@oklahoman.comAs MAPS 4 proposes a massive project to build youth facilities, the impact of youth investment is already visible at Oklahoma City’s existing centers.Jed Chappell, a local pastor, sees it every day at the Oklahoma City Center, a neighborhood youth resource center he co-founded with his wife, Julie, in Warr Acres.The City Center and its holistic approach to serving children gave inspiration for the MAPS 4 youth center plan.Read more on NewsOK.com