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Nancy J. Duff is the Stephen Colwell Associate Professor of Christian Ethics Emerita, Princeton Theological Seminary, Princeton, NJ. Ry O. Siggelkow is the director of the Leadership Center for Social Justice at United Theological Seminary of the Twin Cities, St. Paul, MN. Brandon K. Watson is the academic assistant for systematic theology at the Protestant University Wuppertal and a researcher at Heidelberg University.
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