Since the Missouri Tax Free Weekend is upon us, legions of people will bombard the aisles of our local stores to pick up (among other things) school supplies. I will be one of them. And, I must say that I am mystified by some of the things on the school supply lists. Sure, I understand the need for pencils, pens, notebooks and that kind of stuff. But, there is a mystery on the list I will never understand: an unbelievable amount of Kleenex tissues.