Go to any unpopulated or abandoned area in any given urban setting, and you'll find them. Thousands and thousands of wild dogs-abandoned to disease, starvation, and inevitable death-are leading short and brutal lives in the no-man's-land between domestication and wildness, byproducts of the human destitution around them. A lucky few are saved by dedicated rescuers, and Randy Grim, has emerged as one of the country's leading dog saviors. After years...