A Furry Savior

I was walking my dog Rd on a gorgeous afternoon. My neighbor was outside doing some yard work, so Rd and I crossed the road to say hi. As we were visiting, Rd stretched out the leash that I was holding and sat on the grass to watch my neighbor's cat. They were both watching each other intently and neither one was making a move; we kind of laughed and wondered if they were making friends. About ten minutes later, a much younger dog came trotting down the road and wandered into my neighbor's yard. I was leery of the free roaming shepherd but my neighbor said not to worry, that this dog was a goo...