The First Book from n+1 —an Essential Chronicle of Our Financial Crisis HFM: Where are you going to buy protection on the U.S. government's credit? I mean, if the U.S. defaults, what bank is going to be able to make good on that contract? Who are you going to buy that contract from, the Martians? n+1: When does this begin to feel like less of a cyclical thing, like the weather, and more of a permanent, end-of-the-world kind of thing? HFM: When you see me selling apples out on the street, that's when you should go stock up on guns and ammunition.