Luke Bretherton is Professor of Theological Ethics and Senior Fellow of the Kenan Institute for Ethics at Duke University, North Carolina. Before Duke, he was Reader in Theology and Politics at King's College London (2004 12). His other books include Hospitality as Holiness: Christian Witness Amid Moral Diversity (2006) and Christianity and Contemporary Politics: The Conditions and Possibilities of Faithful Witness (2010), winner of the 2013 Michael Ramsey Prize for Theological Writing. As well as academic journals and books he writes for the media on issues related to religion and politics. T...