More than a million Americans have lost their homes since the housing meltdown began in 2007. Many blamed banks for handing out bad loans to consumers who couldn't afford them. But despite accusations of fraudulent lending practices, not a single Wall Street executive has been indicted on criminal charges.
That's the question being asked in a new documentary by PBS' Frontline called "the Untouchables." Martin Smith - producer and correspondent for the show joined Take Two with more.