Getting your Trinity Audio player ready... By Karen Foley The bus stop sits at a heavy-traffic intersection, a pulsing artery in the middle of a sprawl of residential streets. As I approached, a man was sitting on the bench. At a distance, he seemed the image of a homeless man: slumped, clutching a soiled rucksack, his clothes draped over a body too slight to fill them. But as I drew nearer, the image shifted.