Loser loans: Zillow maps 'underwater' America

At least 30% of South Jersey and Wilmington-area homeowners with mortgages still owe more than their houses are worth; it's more like one-quarter in Philadelphia and Delaware County; and less in wealthy Chester, Montgomery, Bucks, says Zillow.com in this cool map.

By contrast, some upstate Pennsylvania gas counties have few if any "underwater" loans.