A subway ride is much like an elevator ride. There are confined spaces, limited strangers, and boredom except for one's own thoughts. In this enclosed area, certain rules of behavior exist: mind your own business, do not look at each other for any long period of time, and do not cross into another's space. On this one day in July, those rules were broken.and nothing else would ever be the same again. Go along for the ride as the pages rumble over the subway rails of New York, building unforgettable characters within the tunnels beneath the city. Marc, an advertising executive with no passion;...