
Most of the time, Biscuit the bulldog is just a regular stubby-legged young dude who runs around the yard collecting sticks and making everyone laugh with his goofy antics.
But each Friday, once he dons his green work vest, he adjusts his jowly mug into an expression of genial concern, discards all thoughts of canine capers and calmly sets about the business of cheering up stroke patients or encouraging children in their classrooms.
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