For close to a century, a great tale played out in the tiny town of Caledonia, Illinois. The Real Dirt On Farmer John tells this story of John Peterson, his farm and his family — a story that parallels the history of American farming. But Farmer John is no laconic, Grant Wood-type with a scowl and a pitchfork. With the help of friends, John transformed his farm into an organic commune flooded with art and music, all in the centre of conformist Midwestern America…