What did Jefferson mean when he wrote about a "wall of separation" between the church and the state? How have we interpreted the pair of clauses in the 1st Amendment regarding religion? And what is the current relationship between church and state when it comes to the Supreme Court, religious schools, taxes, and growing religious nationalism?

Today we talk to Katherine Stewart, author of The Power Worshippers: Inside the Dangerous Rise of Religious Nationalism and Morgan Marietta, Chair of Political Science at the University of Texas, Arlington and founding editor of the SCOTUS Decisions Series.

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