the electric grids, the sidewalks. the giant hydro electric dams. and it also costs money when you don't keep the stuff you've got in good repair. now, the talk in washington this week is all about spending cuts. how we have all got to sacrifice or the economy will never survive. but there's also this danger of a pennywise and pound foolish. you think you're saving money by cutting a corner, but you're actually making a bigger problem in the long run. now a new report by the american society of civil engineers warns that if we keep ignoring the problems with our roads and our bridges, we'll drag the american economy down by $3.1 trillion by 2020. we'll lose 877,000 jobs. already, shortcomings in our infrastructure cost us $129 billion last year. that is b-b-billion with a b, as in a mighty big number.