John Davenport believes in sweeping away the dirt in your life. Davenport, owner of Hamel Brooms in St. Jacobs, Ontario, is one of the few broom makers left anywhere. I visited his shop a few weeks ago and watched him work. He estimates he makes about 24,000 brooms a year, selling most of them to hardware stores. Some of the equipment he uses dates back to 1947. Daven...