Mark Christensen, the senator with the boyish face from the far corner of southwestern Nebraska, has drawn attention and a good share of barbs from Nebraskans who disagree with his morality-loaded and conservative-minded bills. He has pursued topics of marriage, tobacco, adult sex businesses, concealed handguns and wildlife trapping this session, and in other years human cloning and reverse discrimination. When a story about his bills that would regulate sex-related businesses — strip clubs and escort services — was posted on JournalStar.com, indignant readers thanked him for bringing his “moral crusade roadshow” to eastern Nebraska. He would describe his three...