or were awash with petro dollars or had no need to stimulate their own domestic economies. the inflow allowed the united states to borrow at very low rates but all of that has changed now. the trade surpluses have disappeared. the petro dollar balances have shrunk and many countries are trying to stimulate their own economies. not to mention the fact that other democracies in the world are also in the market, borrowing huge amounts of money. so we have to be very, very cognizant that the ability of the united states to move forward and buy the time for health reform to begin moderating the growth of cost is limited. and what this means is that, i think, the cbo cost estimates and the debate around the spending in these programs is critically important to our future. now, i realize that this message has not been very uplifting and it's very hard to try and extract the silver lining from this dark cloud. but cognizant of the fact that uwe reischauer, where is he, will appear later and regale us in one way or the other, i thought i might end with a little humor even though it