One Sunday morning, a college student volunteered to help in worship by doing the children's sermon. She wanted to talk about how to be a friendly church, so after getting the children up front, she began by asking the question, "What would you do if a stranger came to our church?"

Immediately, one of the kindergartners raised his hand and said, "I'd run away and find my mom."

Another chimed in, "I'd say 'NO!' and …