mr. barbera, does that, then, call into question the entire... well, the entire question, the future of the so-called euro zone and euro? where are we there? >> i think professor krugman makes a good point about greshgs i don't disagree with that. what they're trying to buy is time. because i think you can make the case that greece is a uniquely bad situation. true, portugal has a difficult situation, so does spain, italy, ireland, but they're trying to buy time so if you get some further down the road you could actually contemplate both big restructuring of the death in the midst of all these very difficult adjustments, perhaps them leaving the euro without it costing the chain reaction. hence the effort to say the i.m.f. and the euro zone will write some checks and backstop some bonds to get some distance from this moment. the thought is if you had an expansion that works out for a couple of years, you could then have greece in the midst of this turmoil and have it less be potentially contagious. >> brown: but paul krugman, you're worried more