The short answer: The constitutionality of saying religiously specific prayers (e.g., praying in Jesus name) at government meetings and functions.
The (slightly) longer answer: In the town of Greece, located in upstate New York, the Town Board sessions were opened by a prayer from local clergy, mostly leaders of Christian congregations although in a few instances members of other faith traditions offered the invocation (a Jewish man, a Baha’i leader, and a Wiccan). The Second Circuit Court ruled the prayers were unconstitutional since they aligned the town government officially with a particular faith — Christianity. The case was appealed to the Supreme Court.
What was the Supreme Court’s ruling?
In a 5-4 decision, split along traditional right-left lines with Justice Kennedy joining the majority, the court ruled that the town’s practice of beginning legislative sessions with prayers does not violate the Establishment Clause of the First Amendment. Justice Kennedy’s opinion for the Court concludes: