Uncertain of the task before him, humbled by the challenge but undaunted nonetheless, he took careful aim and commanded his shaking hand to cease. But the image before him broke his concentration. The very face of innocence stood before him, with a trusting look that could only be based on the expectation of mercy. He thought briefly of duty, of decency and of a moment that might forever define his life, and longed for the focus that comes from a narrowness of vision. Instead, he saw it all too clearly...