Dear Editor of the Columbia Tribune: I was sitting at home the other evening when there was a knock on my door. When I answered, I found two young men, dressed alarmingly like Nazi Youth members, standing at my door. I saw their name tags and the identification of a Christian church. I informed them, immediately, that mine was not a Christian home and that they should leave. Ah, but that was not enough. They demanded my name and an explanation; they simply could not accept that not everyone in the world is a Christian. I gave them an explanation....