By Elizabeth Ahlman While we were living in Leipzig, Germany, my family and I had several opportunities to visit Lutherstadt Wittenberg. In the courtyard of the Black Cloister is one of my favorite statues. It’s Katie Luther, full skirts swishing out, arms pumping, looking as if she was striding purposefully across that courtyard. If anything depicts a womanly strength, it’s that statue. Katie looks all business, as if ready to take on anything — as if ready to go to battle on her own little homefront (or not so little, as the Black Cloister was actually huge). Historians and perhaps lore tell us that Katie was strong and bold –…