By Wendy Langhans
One morning early last week, I was sitting on the front porch slurping a cup of hot coffee. It was o'dark hundred, way too early for civilized folks to be up and about. With my eyes half open, I watched two dragonflies, darting back and forth, like runway models strutting and holding a pose. Their movements were unpredictably quick and precise. I wondered, "how do they manage to fly like that?