When I was in Scandinavia last spring promoting "Nickel and Dimed," interviewers kept asking me to tell them about the "debate" my book had provoked in the United States. I had to confess that it had provoked no debate at all, at least none that I had heard of. In fact, when my book was adopted by the University of North Carolina at Chapel Hill as a reading for all incoming students in 2003, the administration expressed its conviction that it was a "relatively tame selection," at least compared to last year's choice – a collection of readings from the...