S&P's Chambers on U.S. Credit Downgrade

Aug. 8 (Bloomberg) -- John Chambers, chairman of Standard & Poor’s sovereign debt committee, talks about the company's downgrade of its U.S. credit rating. The Treasury Department said S&P made a $2 trillion error in calculating the government’s debt in the initial analysis it presented the government. Chambers speaks with Susan Li on Bloomberg Television's "First Up." (Source: Bloomberg)