Preview: The rules of Puppy Bowl

Preview: The rules of Puppy Bowl

This Sunday brings an epic gridiron showdown: The 14th annual Puppy Bowl, featuring 90 puppies from shelters and rescue organizations competing in a game scoring high in cuteness. In a behind-the-scenes report to air on “Sunday Morning,” correspondent Richard Schlesinger gets a lesson in the rules of Puppy Bowl from referee Dan Schachner.

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