In its March report on the long-term U.S. budget outlook, the Congressional Budget Office issued a stark warning that its sober language rendered no less alarming. The CBO cautioned that high and rising debt and deficits "boost federal borrowing costs, slow the growth of economic output...and increase the risk of a financial crisis as well as undermin[ing] confidence in the U.S. dollar." If our fiscal profligacy persists, added the CBO, Treasury yields will leap from today's super-low levels as immense federal borrowings devour