Kristi Noem, the secretary of homeland security, has become an evangelist of a certain sort. During her tenure, her department has on multiple occasions released slick social-media recruitment videos in which scripture verses feature prominently. One video quotes from Isaiah 6:8 (“Then I heard the voice of the Lord, saying, ‘Whom shall I send and who will go for us?’ I said, ‘Here I am. Send me.’”); another quotes from Proverbs 28:1 (“The wicked flee when no man pursueth; but the righteous are