now for our question of the week. here's what i want to know. who do you think won the economic debate you just saw? neal ferguson, who says we need to slash budgets, or robert kodowski who says we need to slash spending. and don't forget, we have our video and ipodcast. go to cnn.com/gps. once you subscribe, you will never miss a show, and please remember it's free. as i do every week, i want to recommend a book. we're all in a slump these days. "the rational optimist." ridley is here to tell us that we will indeed prosper. this is the book that tells the good news about humankind, that