A woman I sometimes chat with during my morning dog outings asked my opinion about an encounter she recently had. She’d been been walking her four-year-old mixed breed dog around a local park when she crossed paths with a man whose dog was off leash. As the owners walked toward each other on the narrow trail, the foot loose and fancy-free puppy ran up to the adult dog. With the usual lack of canine cluelessness that accompanies early dogdom, the pup leaped at the dog relentlessly in an attempt to initiate play. The woman’s dog, while not aggressive, did not want to be bothered. He growled. The puppy didn’t back off, and again tried to engage the older dog. The dog growled louder. The man made no attempt to put his dog on leash. The woman, feeling embarrassed that her dog had growled, ended up apologizing to the man and…