The gathering of Davis’ supporters and their anti-American signs are no different from the “Death to America” rallies we see in some foreign countries. The martyr business in America is booming. It’s a growth industry, like yoga pants, prisons and celebrity nip-slip sites. Caterers, cake-makers, pizza shops, hobby stores and others are publicly throwing themselves on the righteous sword of spiritual indignation—but only when there are media cameras nearby to record their stirring sacrifice. On Sunday, around 300 supporters gathered outside the jail where Kim Davis, the Kentucky clerk who refused to issue marriage licenses to same-sex couples, is being...