Goodbye Triple-A Road - The possibility of the U.S. government defaulting on debt inches up: "Last week, markets pegged the probability of a U.S. default at 6 percent over the next 10 years, compared with just 1 percent a year ago. For technical reasons, this is not a precise reading of investors' views. Nonetheless, the trend is real, and it is grounded in some pretty fundamental concerns." (HT: Mankiw)