On January 1, a new law in Ireland bans publication or uttering of material grossly abusive or insulting to matters held sacred by any religion and thereby intentionally causing outrage among a substantial number of adherents of that religion. The law carries a 25,000 Euro fine and permits some defenses. The website blasphemy.ie declares it "both silly and dangerous." It is silly because medieval religious laws have no place in a modern secular republic, where the criminal law should protect people and not ideas. And it is dangerous because it incentives religious outrage, and because Islamic States led by Pakistan are...