Sound as the Dollar

I usually don't worry too much about debt levels, given that the US's credit worthiness is a matter of its standing relative to other advanced economies, virtually all of whom have much worse problems by almost any measure (the exception might seem to be Germany, though it has has a banking crisis almost as bad as ours as a proportion of GDP and has the weight of the rest of the EU which it has to carry through the Euro). But this article gave me pause.