Fulton is part of a broader effort to hold the government to a higher standard whenever it limits our freedom—from our ability to speak, work, exercise religion, or simply live as we choose. On Nov. 4, the Supreme Court heard oral argument in Fulton v. City of Philadelphia, a challenge to the city’s exclusion of Catholic Social Services from participation in the foster care system due to its views on same-sex behavior. This may sound like a run-of-the-mill battle in the culture war, but there’s a lot more to it.Fulton is part of a broader effort to hold the government...