A Pitbull Becomes a Service Dog | Cesar Millan: Better Human Better Dog

A Pitbull named Goliath has become very protective of his owner after he was diagnosed with a brain tumor. Cesar has been working with Goliath and his family on turning Goliath's overprotective energy into something positive. ➡ Subscribe: http://bit.ly/NatGeoSubscribe Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta TikTok:   / natgeo   Tenor: http://on.natgeo.com/31b3Koc About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. A Pitbull Becomes a Service Dog | Cesar Millan: Better Human Better Dog    • A Pitbull Becomes a Service Dog | Cesar Mi...   National Geographic    / natgeo