Turning our memories away from Ms. Obama's dress (OK, I can't resist - I thought she looked like Jane Jetson in it, but I'll give her a pass because she was very busy that day and I just love that she and her husband recognize the importance of the arts. And she earned bonus points with that J Crew cardigan she wore in London), I went to Tuesday's performance of the Balanchine-Tchaikovsky program. Allegro Brilliante - Corps needs to find its way a little bit more. It was the first performance,