John Grogan: Video intensifies puppy mill issue (Exercise treadmill)

John Grogan: Video intensifies puppy mill issue
Philadelphia Inquirer - In one of the more distressing scenes, the video shows a kennel near Kutztown with a long row of pens, each with a circular wire exercise treadmill in which a small dog runs endlessly, its only access to exercise. At the same kennel, the farmer takes
Source: www.philly.com