A Wall of Separation: Church, State & the American Experiment

Let's ReThink History
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Thomas Jefferson borrowed the phrase from a persecuted Baptist: 'a wall of separation between Church & State.' For 250 years Americans have fought over what it means — and whether it should stand at all. This 14-part ReThink History series traces the doctrine of church-state separation from its colonial roots through the Supreme Court cases that built it, the political realignment that turned faith into a voting bloc, and the funding fights now testing the wall in real time: Roger Williams and the garden of the church; Madison, Jefferson, and the First Amendment; the day prayer left the public classroom; the rise and fall of the Lemon test; Billy Graham, Nixon, and the great evangelical migration; Bob Jones, the IRS, and the grievance that organized the Religious Right; Falwell's Moral Majority and Robertson's 700 Club; Promise Keepers; the school-choice revolution that turned 'no aid to religion' into 'no exclusion of religion'; Alaska's homeschool allotments; how Liberty University was built into a machine for training a governing class; and the new claim, from a rising movement, that the separation was never real — 'a fabrication.' We test one question without shouting it: is the wall being lowered in ways that threaten a pluralist democracy, or is this an overdue correction to a metaphor read too broadly? We give the strongest version of both answers and let the record argue. A measured, sourced deep dive, narrated by AI voices from human-reviewed research.

  1. Episode 1

    The Man Who Invented 'Separation of Church and State' — Before Jefferson

    Long before Jefferson, a banished Puritan named Roger Williams argued for a 'wall of separation' — to protect the church from a corrupting world, not to keep faith out of public life. Colonial establishments, the punishment of dissenters, and the Great Awakening that cracked the old order. Where the American idea of separation begins.

    52 min

  2. Episode 2

    How Jefferson and Madison Wrote Religious Freedom Into American Law

    How a principle became policy: Patrick Henry's tax for 'teachers of the Christian religion,' Madison's Memorial and Remonstrance, Jefferson's Virginia Statute, Article VI's no-religious-test clause, the First Amendment, and the 1802 Danbury letter that gave us the 'wall of separation.' Includes the originalist counterargument.

    37 min

  3. Episode 3

    When U.S. Public Schools Were Quietly Protestant — and Catholics Fought Back

    State churches ended — and a Protestant culture took their place in the new public schools. Horace Mann's 'nonsectarian' Bible, Catholic pushback, the 1844 Philadelphia Bible Riots, the anti-Catholic Blaine Amendment, and Reynolds v. United States (1878). The 19th-century wall guarded a Protestant mainstream as much as it separated.

    25 min

  4. Episode 4

    How the First Amendment Came to Bind Every State: Cantwell and Everson

    For 150 years the First Amendment restrained only Congress. Cantwell (1940) and Everson (1947) changed that — incorporating the religion clauses against the states, enshrining Jefferson's 'wall,' and, in the same breath, upholding bus aid to parochial students. A high wall in the rhetoric, a door in the result.

    41 min

  5. Episode 5

    How School Prayer Ended: Engel v. Vitale and Abington v. Schempp

    In 1962 and 1963 the Supreme Court ended official prayer and devotional Bible reading in public schools — and lit a political fire that still burns. The backlash, Madalyn Murray O'Hair, the myth that the Court 'kicked God out of school,' and why many Americans felt dispossessed. The grievance the Religious Right would ride.

    52 min

  6. Episode 6

    The Lemon Test: The Rule That Governed Church and State for 50 Years

    One three-part test decided nearly every church-state case for half a century — then the Court buried it. Lemon v. Kurtzman (1971), its evolution through Marsh, Lynch, and the endorsement test, Scalia's 'ghoul' mockery, and its end in Kennedy v. Bremerton (2022). What replacing it with 'history and tradition' changes.

    54 min

  7. Episode 7

    How White Evangelicals Moved From Democrat to Republican

    Not a single flip but a slow migration: Cold War anti-communism, the Democrats' embrace of civil rights and the 1948 Dixiecrat revolt, and Nixon's Southern Strategy. Billy Graham as a 'moral liaison' who gave permission for the shift — and we test the popular claim that he alone was the pivot.

    35 min

  8. Episode 8

    How the IRS — Not Abortion — Sparked the Religious Right

    Many historians argue the movement's real spark was the IRS moving against segregated Christian schools' tax exemptions. Green v. Connally, the 1978 rules, the Balmer-Weyrich thesis, and Bob Jones University v. United States (1983). A contested origin story, told fairly with both readings.

    40 min
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About

Thomas Jefferson borrowed the phrase from a persecuted Baptist: 'a wall of separation between Church & State.' For 250 years Americans have fought over what it means — and whether it should stand at all. This 14-part ReThink History series traces the doctrine of church-state separation from its colonial roots through the Supreme Court cases that built it, the political realignment that turned faith into a voting bloc, and the funding fights now testing the wall in real time: Roger Williams and the garden of the church; Madison, Jefferson, and the First Amendment; the day prayer left the public classroom; the rise and fall of the Lemon test; Billy Graham, Nixon, and the great evangelical migration; Bob Jones, the IRS, and the grievance that organized the Religious Right; Falwell's Moral Majority and Robertson's 700 Club; Promise Keepers; the school-choice revolution that turned 'no aid to religion' into 'no exclusion of religion'; Alaska's homeschool allotments; how Liberty University was built into a machine for training a governing class; and the new claim, from a rising movement, that the separation was never real — 'a fabrication.' We test one question without shouting it: is the wall being lowered in ways that threaten a pluralist democracy, or is this an overdue correction to a metaphor read too broadly? We give the strongest version of both answers and let the record argue. A measured, sourced deep dive, narrated by AI voices from human-reviewed research.

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