Markets React to the U.S. Credit Rating Downgrade

Standard and Poor's downgraded the credit rating of the United States Friday from triple A to double A plus. On this week's Washington Report, David Sanger, chief Washington correspondent for the New York Times, joins Kerry Nolan for a look at what that means for global markets and Wall Street. He also weighs in on whether the death of 30 American troops in Afghanistan at the hands of the Taliban is "Obama's Blackhawk Down."