When she had gotten into her saddle and issued the simple command for her horse to proceed forward, she suddenly was met with complete surprise, the horse refusing to take one step. She slid slowly from her saddle and took hold of the reins---"come on, come on," as she patted and caressed his forehead. I looked into her face; focused, steady, calm, controlling, and all the while speaking reassuringly. My heart pounded. But nonetheless I could...