The Agnostic Age: Law, Religion, and the Constitution is a book for lawyers, law professors, law students, lawmakers, and any citizen who cares about church-state conflict and about the relationship between religion and liberal democracy. It provides a way to understand and balance the conflicts that inevitably arise when neighbors struggle with neighbors, and when liberal democracy tries to reach common ground with religious beliefs and practices.

Paul Horwitz argues that the fundamental reason for the church-state conflict is...