Receipts Raise New Questions About South Bay Lawmaker’s Spending

George Shirakawa, Jr., the <a href="http://sanfrancisco.cbslocal.com/2012/11/20/santa-clara-co-supervisor-wont-resign-over-questionable-spending/">already-embattled president</a> of the Santa Clara County Board of Supervisors, is being asked to explain a "confusing trail of receipts" on his county-issued credit card. Len Ramirez reports.