The socially responsible investment industry (SRI) is slowly changing from a screening, avoidance paradigm to a comprehensive paradigm that seeks to affect corporate behavior. Credible rating systems are a key component of this sea change. Reliable and recognizable social and environmental metrics are critical to this progress. The Total Social Impact (TSI) rating approach is a new social metric scheme based on a comprehensive rating of stakeholder issues. This paper describes the evolution of SRI ratings and the role that TSI (...) hopes to play in affecting business behavior by promoting principled business leadership. (shrink)