.
Now that millions of people are facing foreclosure because they got into loans that never should have been approved, everybody's looking for someone to blame. Borrowers, or their brokers, lied on loan applications. Others got high interest rates they couldn't afford.
A big unanswered question is whether the Wall Street investment banks that were packaging these mortgages knew they were selling garbage loans to investors. A wave of litigation is starting against these firms. One former worker whose job was to catch bad loans says her supervisors covered them up....