Roger Harrison, the chamber's leading economic development recruiter, has been in the business for several years but just recently graduated from a specialized, three-year program at the University of Oklahoma in the hopes of becoming an even more effective recruiter. Harrison, who is senior vice president of economic development with the Covington-Newton County Chamber of Commerce, graduated May 10 from the University of Oklahoma's Economic Development Institute, where he gained training and made connections in the industry. "In our profession, certification is a big deal," said Harrison,