A Preach-y Pistle to my Grandchildren

Beloved Children: Are you surprised that I would preach to you? Well, I am old (I can remember when a nickel could buy a package of gum, or a cup of coffee, or a coke, or a ride in a taxi that was called a Jitney Bus) enough to have the right to preach to you young people. Today’s letter is all about signs. Do you know what a sign is, Bill? You say. ‘‘Something that represents something else”? Yes, partly. Sherry, can you add to that definition? You say that a sign shows something that cannot...