>> kent hoover with american city business journalists. as far as the u.s. fiscal situation, i guess it kind of depends on what they do and when, right? and how much different si their yoes impact on economic growth. say they don't do anything after the election but do a short-term extension of the tax cuts and maybe somehow avoid the sequester but don't really solve the whole thing and kick it into the next year versus, like, doing a full boor deal after the election versus doing nothing at all and a sequester happens. how much do those three scenario, what's the difference in the economic growth projection? >> this is a very challenging environment to forecast, given that there's a great deal of uncertainty on the fiscal side in general. it's not only the forecasters that are having problems. i think many planners in the economy as well. there's tremendous uncertainty in terms of tax policy, for example. just as one example, the so-called bonus depreciation on capital equipment, that's been coming down. we've seen slowdown in capital spending. that's an ex