My kids went to Catholic Mass today. We’re not Catholic. We’re American expats living in Ireland where the public school system is run by the Catholic Church with public tax dollars. Even many private schools are Catholic-influenced. Our kids (now 7 and 10) attend a private school that is not Catholic run. As a percentage, there aren’t a lot of these schools in Ireland, but they are growing in number and popularity. Twice a year our school offers the children an opportunity to attend a community-wide Mass during school hours. All the various primary schools in the parish attend. Of course, as parents, we have the right to opt our…