When the news of Hickstead's death reached me, the first thing that came into my mind was denial. There was no way a great horse such as him could have an end such as it was. Hickstead was a horse that deserved another Olympic performance, a retiring ceremony, and many more years relaxing on a stud farm. But when I watch the video, the great horse sinking to the ground, carefully rolling as if to set Eric safely down, I realized there was no denying it. Hickstead's death had really…