``NEW YORK (CNNMoney.com) -- Think Greece and Spain are drowning in debt? Look a little closer to home. Seven U.S. cities recently had their municipal bonds downgraded below investment grade. Their debt is now, junk, considered more worthless than that of the so-called PIGS``. (PIGS= Portugal,Italy,Greece,Spain). η συνεχεια του αρθρου εδω>>http://realestate.yahoo.com/promo/americas-7-junkiest-cities
