Robert R. Perkinson is the clinical director of Keystone Treatment Center in Canton, SD. He is a licensed psychologist, licensed marriage and family therapist, internationally certified alcohol and drug counselor, South Dakota certified chemical dependency counselor, Level III, and nationally certified gambling counselor and supervisor. His specialty areas focus on treating alcoholics, addicts, and pathological gamblers. He is the author of "Chemical Dependency Counseling: A Practical Guide, Second Edition, " 2003, SAGE Publications, which is the leading treatment manual in the world of chemic...