"Wise old Vergil says in one of his Georgics, 'Praise large farms, stick to small ones, '" Robert Frost said. "Twenty acres are just about enough." Frost started out as a school teacher living the rural life of a would-be farmer, and later turned to farming full time when he bought a place of his own. After a sojourn in England where his first two books were published to critical acclaim, he returned to New England, acquired a new farm and became...