Gloomy tales http://rags.news/stmap_100p0g34.html?cialis.terazosin.prevacid.zithromax generic levofloxacin price  While it's somewhat accepted for central banks to provide some emergency assistance during times of financial stress, the Federal Reserve's use of its emergency powers went well beyond normal principles of central banking.ﾂ� Since the 19th century, those principles have called for lending on a temporary basis and at a "penalty rate" – that is, at an interest rate above the prevailing market rate.