Helping animals walk again is this man's passion - PBS NewsHour

PBS NewsHour

Helping animals walk again is this man's passion PBS NewsHour JULIA GRIFFIN: Exotic animals aside, Campana estimates 90 percent of the more than 10,000 patients he's treated are man's best friend. DERRICK CAMPANA: We love the stories where, every morning, the dog will bring the device to the owner's feet and say ... and more »