A central issue about redundancy concerns how far the exercise of religion is simply a form of speech that is, and should be, constitutionally protected only to the extent that reaches speech generally. Insofar as a constitutional analysis leaves flexibility, we have questions about wise legislative choices. To consider these issues carefully, we need to have a sense of what counts as relevant speech and the exercise of religion. That is the focus of this article.
Kent Greenawalt, Speech and Exercise by Private Individuals and Organizations, 72 SMU L. Rev. 397 (2019).