Penny, shown here with one of her humans, has trouble resisting the lure of the squirrels. (Photo provided) The Dog Charmer by Tom Shelby Off-leash Recall, Socialization in anEntirely New Setting Discussed Dear Tom, Penny is 10 months old and we are again having difficulty with recall. We worked inside and treated successfully, then progressed to outside on a 20-foot lead rope—always treating, always praising—and made good progress until the squirrels showed up with the melting of the snow. I…