It’s only a few weeks until St. Barts, the eight-square-mile island in the West Indies that seems like a part of France, becomes the yachting center of the world. Well, the rich-and-famous yachting center of the world, that is. Because between Christmas and New Years the gorgeous, protected harbor at Gustavia, the island’s capital, is filled wall-to-wall with beautiful yachts and beautiful people. That’s all well and good, but if you’re like me and the rest of us, that means you’ll probably be spending your holidays somewhere else. But it also means that there are 50 or so other weeks…