The Alabama Legislature opened its session on March 1 on a note of humility and compassion. In the Senate, a Christian pastor asked God to grant members “wisdom and discernment” to do what is right. “Not what’s right in their own eyes,” he said, “but what’s right according to your word.” Soon after, both houses passed, and the governor signed, the country’s cruelest, most unforgiving immigration law. The law, which takes effect Sept. 1, is so inhumane that four Alabama church leaders — an Episcopal bishop, a Methodist bishop and a Roman Catholic archbishop and bishop — have sued to...