MADRID — The Red Foxes dance team held their practice right after Team USA held its practice, and many of the American players stayed around to watch. And why wouldn’t they? The Foxes, from Ukraine, are an extraordinary confluence of genetic brilliance with a ballerina meets pole dancer sexiness. Not one of them is shorter than 6 feet tall. The should call themselves the unicorns. They are a pleasure to watch, and a number of the American players did just that before posing