S&P Goes Tea Party

``Big headlines for a Friday night: "U.S. Loses Top Credit Rating!" Yes, as most now know, Standard & Poor's went ahead with its warnings of the past weeks and downgraded the sovereign debt of the United States government from its pristine triple-A to a still stellar but one notch less so AA+. And after a miserable week in global equity markets that was almost as ugly as it gets, a week that began with the conclusion of a universally reviled debt-ceiling deal, the late-night downgrade was the fitting end.''