The main Devon herd stretched out across Thistle Hill at sunset. No fuss or bother as they follow grandson Church for close to a half a mile. Do they understand that luscious green grass awaits? They do certainly trust Church’s leadership and sense of purpose. Outriders, sticks and herding dogs not necessary. Once they’ve regrouped they’ll begin a daily rotation of fresh grass, roughly an acre at a time. They have to be this well trained after all because Church has college to attend and can’t be late. After a few days they’ll be waiting for him at the entrance to the next paddock. He won’t even have to whistle!…