I am thinking about writing a book about knowing the difference between. Here is a sample chapter, Do you know the difference between the U.S. Post Office and the U.S. Postal Service? Too many people lack discernment and they do not know the difference between a great many things. They appear to uninformed, unaware and unconcerned. Bubba said, it sounds like they don't give a shit. Here are possible chapter titles for the book The difference between... ...