When it comes to the authors reasoning, its a wonder why all women arent prostitutes.Photo: Lauren CloseAlways ones to stir up controversy about our long-held beliefs, Steven Levitt and Stephen Dubner have a new book out, SuperFreakonomics: Global Cooling, Patriotic Prostitutes, and Why Suicide Bombers Should Buy Life Insurance. Along with arguing that the world is actually experiencing a cooling trend, which has been hotly contended all over the net, there is also a less debated chapter on pros