SALT LAKE CITY -- A puppy rescued from the bowels of a deep slot canyon is now recovering in Salt Lake City after a close brush with death. The man who rescued him documented much of the incredible story with his own video camera. Imagine trying to get a dog that's near death out of a deep canyon, all by yourself -- and at the same time, getting yourself out by rope. On top of that, imagine shooting video much of the time. That's the story we have to tell. They don't know his real name, so they just call...