Gregory A. Smith is the associate director of research at the Pew Research Center. He’s an expert on religion in America. Arrange interviews through Anna Schiller.

Jonathan Haidt is a professor of ethical leadership at New York University’s Stern School of Business. His research interests are morality, emotion, religion and politics. He is the author of The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom and The Righteous Mind: Why Good People Are Divided by Politics and Religion.