Ten years ago, Craig Johnson wrote his first short story, the Hillerman Award-winning "Old Indian Trick." This was one of the earliest appearances of the sheriff who would go on to star in Johnson's bestselling, award-winning novels and the A&E hit series Longmire. Each Christmas Eve thereafter, fans rejoiced when Johnson sent out a new short story featuring an episode in Walt's life that doesn't appear in the novels; over the years, many have asked...