One especially enthusiastic dog, named Fuzzybear, is gung-ho about getting his North Carolina owner's mail, darting across the lawn when the mail truck arrives and carrying back a mouthful of envelopes.
In the middle of a military base outside Mexico City, an army colonel runs what he calls a kindergarten for dogs. Puppies that one day will become rescue dogs, or sniffer dogs for drugs or explosives, get their basic training here, at Mexico’s Army and Air Force Canine Production Center.
