It appears that this figure includes maxed out spending on many programs and the government being forced to make good on all sorts of loan guarantees that it will not be required to make good on.
People say that we should audit the FED and they're right, but articles like this and the accompanying reaction (See Monroe, TuTu: "I'll check the current Treasury Bond yield, which usually comes in my e-mail. I suspect it will go way down. As you know, normally the government increases the debt limit, prints money and finances it by the sale of US Treasury Bonds, but who in the hell is going to buy them?") are good reasons why we shouldn't.
People say that we should audit the FED and they're right, but articles like this and the accompanying reaction (See Monroe, TuTu: "I'll check the current Treasury Bond yield, which usually comes in my e-mail. I suspect it will go way down. As you know, normally the government increases the debt limit, prints money and finances it by the sale of US Treasury Bonds, but who in the hell is going to buy them?") are good reasons why we shouldn't.