MAXEYS - People have come from as far away as Africa to see the cow carousel at Cabaniss Dairy, on the southern edge of Oglethorpe County. Don't laugh. The machine that makes cows go round and round enabled the Cabaniss family to milk cows so much faster than with traditional machines, they more than doubled their herd of dairy cows, making it into one of the state's larger dairy operations. "This is the most efficient way in the world to milk cows," said Jon Cabaniss, 33, who operates the family farm with his brother, Jim Cabaniss, 35. The carousel is...