CBS Gives A Behind-the-Scenes Look At The Canine Star of ‘A Person Of Interest’ – [VIDEO]CBS Gives A Behind-the-Scenes Look At The Canine Star of ‘A Person Of Interest’ – [VIDEO]I'm a fan of the CBS show, 'A Person of Interest', and when they added their canine costar "Bear", I liked it even more.Spencer BennettSpencer Bennett