Clarence Thomas, Utah Highway Patrol v. American Atheists…
“ One might be forgiven for failing to discern a workable principle that explains these wildly divergent outcomes. Such arbitrariness is the product of an Establishment Clause jurisprudence that does nothing to constrain judicial discretion, but instead asks, based on terms like "context" and "message," whether a hypothetical reasonable observer of a religious display could think that the government has made a law "respecting an establishment of religion." ”
