Before him, only legends and superstars like Mikhail Baryshnikov had won the gold medal at Varna. He and Misty Copeland made history when they starred together in "Swan Lake." As one of the world's greatest athletes and artists, Brooklyn Mack--a true champion in every sense of the word--relentlessly pursues perfection every single day. And it was a joy for me to see him light up as he reflected on his greatest triumphs.