INDEPENDENCE, Wis. (Reuters) - John Kerry, veteran senator from Massachusetts, New England blue blood and Democratic White House hopeful, learned to swear from a farmer, loved to drive a tractor and once had a passion for plowing.· 'Kid from the East' Kerry Feels Farmers' Pain. "When I was a kid, this kid from the East, I had an aunt and uncle who owned a dairy farm," Kerry told a town hall meeting on Saturday in Independence, midway through a 546-mile July 4 weekend road trip across America's heartland to win over rural voters. The son of a diplomat who was...