Throughout the course of Scott Shepherd's life, his mind had always been plagued by chronic, inescapable fear and doubt. His negative thoughts became a constant cycle of "what ifs," fear of failure and concern over letting those in his life down. That all changed during his first morning meditation session as part of the Stable Recovery program, when he stroked the nose of a mare on layup named Princess Warrior (Midshipman). After this encounter, his mind became peacefully quiet. "I'll never forget when I saw her. It was like all...