Jasper, a Chihuahua mix, has a neurological condition that causes the muscles in the pup's face to pull back as if he is smiling, according to the Front Street Animal Shelter in Sacramento There's a ...

SACRAMENTO (CBS13) - Jasper, an eight-pound Chihuahua mix, is gifted or cursed with a constant smile. He can play like the rest of them and give you snuggles too, but what really captures everyone's ...