If you've ever had your own "heart horse," you'll understand the need to share stories like this one, to keep special memories of our beloved horses alive. Even if you've never been so fortunate, "Old Soldier" is an unforgettable story about an unforgettable horse whose bond with his owner was undeniable. Give it a listen!This episode of Barn Stories is brought to you by HorseWeek and the USRider Roadside Assistance motor plan.