The Unfinished Revolution, a treatise on the incomplete separation of church and state in the United States, was inspired by a presentation made by the author while on a visit to Great Britain in 2015. The author points out that the revolution in religion that Thomas Paine thought would naturally follow America's political revolution has not been realized and points to the various ways that government on all levels, federal, state, and local, contradict and contravene the First Amendment's prohibition regarding an establishment of religion.