RIGOs are not governments themselves, but as Miller and Nelles demonstrate, they do have a measure of political authority that allows them to quietly and sometimes almost invisibly work to further regional interests and mitigate cross-boundary irritations. Providing a new conceptual framework for understanding how regional decision-making has emerged in the U.S., this book will provoke a new and rich era of discussion about American regionalism in theory and practice. will be a future classic in the study of intergovernmental relations, regionalism, and cross-boundary collaboration.