Autumn leaves are on the verge of falling. Pecan leaves have turned bright yellow. The air is crisp and clean, and days and nights are getting cooler. All things fall are in full swing. Cotton bolls have popped open in the fields. The hay is baled. The corn maze is open for business. Pumpkins and pumpkin-flavored products abound in supermarkets along with lots of trick-or-treat candy. Neighbors…