Happy Fourth of July! Here's a fun piece of flash fiction to celebrate the 232nd birthday of our great nation, and the 3rd birthday of our great website! **** "Oh, Benny. What does this one do?" the young woman asked with a slight quaver to her voice. "Well, when hooked up to the Leyden jar, which stores electricity, this little device, which I call the lightning rod, starts to hum. As I apply more current by adding more Leyden jars, it hums louder. Here. Let me show you," the middle-aged man