Campbell DE, Putnam RD. America's Grace: How a Tolerant Nation Bridges Its Religious Divides. Political Science Quarterly. 2011;126 (4) :611-640. Publisher's Version

Campbell DE, Putnam RD. Pinpointing Romney's Mormon Challenge. Wall Street Journal. 2011. Publisher's Version

Campbell DE, Putnam RD. Crashing the Tea Party. New York Times. 2011. Publisher's Version

Campbell DE, Putnam RD. Islam and American Tolerance. Wall Street Journal. 2011. Publisher's Version

Putnam RD. With Libya's Megalomaniac 'Philosopher-King'. Wall Street Journal. 2011. Publisher's Version