DESC: When his son Rowan was diagnosed with autism, Rupert Isaacson was devastated, afraid he might never be able to communicate with his child. But when Isaacson, a lifelong horseman, rode their neighbor's horse with Rowan, Rowan improved immeasurably. He was struck with a idea: why not take Rowan to Mongolia, the one place in the world where horses and shamanic healing intersected?