If you believe in religious liberty only when it's good for society, then you really don't believe in it. A sincere commitment to religious liberty requires support for exemptions that allow people to do things you might disagree with, whether that’s Mennonites refusing to serve in the military, Catholics declining to work with same-sex foster parents, or Native Americans doing drugs. So supporters of religious liberty and robust religious exemptions might feel conflicted about a court ruling in Pennsylvania that rejected religious exemptions to mask mandates in schools. On the one hand, the best information from public health experts says masks are a good, simple way to reduce the spread of the coronavirus. On the other, shouldn't we support the rights of people we think are wrong?