Of all the memorable dogs in history -- Balto, Lassie -- there's one canine many may not remember, but whose tale is worthy of recognition. It was 35 years ago this week that Sido, an 11-year-old part ...

Sido was a little tan-and-white dog, mixed-breed, pretty, charming and devoted to her owner. Not that different, maybe, from the dog lying at your feet while you read this. You may not recognize her ...