April 15-24, McCaw Hall, Seattle The romantic ballet Swan Lake belongs to the ballerina—Lesley Rausch—and choreographer Kent Stowell. Rausch is in control not only of her positions and movements, her balance, her expressive arms, but also of the emotions behind each move. In the ballet, we see her elated, betrayed, avenged, desolate—Rausch is both supreme…