Robert D. Putnam and David E. Campbell. American Grace: How Religion Divides and Unites Us. Simon & Schuster, 2010. ISBN: 9781416566717. Meet the Authors Robert D. Putnam (shown in the yellow shirt) is the Peter and Isabel Malkin Professor of Public Policy at the John F. Kennedy School of Government at Harvard University. He has written a dozen books, translated into seventeen languages, including the best-selling Bowling Alone: The Collapse and Revival of Read More …