The best company of horses and fellow humans, panoramic Western vistas from a clear mountaintop, and trekking from our dry hills through a few nicely shaded, leafy glens on a warm day: there's nothing like coming back from a perfect trail ride to jump-start a personal testimonial about a perfect trail riding horse. So... I had ridden dressage and trail on a spectacular horse for the last 23 years, and he was a hard act to follow. But like many riders "of a certain age," I el