The process leading to the credit rating downgrade for the U.S., including S&P's $2 trillion error in estimating the total U.S. deficit in the next ten years, is causing both Republicans and Democrats to agree on the need for greater public scrutiny of the agencies. Congressmen from both parties in Congress now agree that ratings firms need to play a smaller role in the financial system than they have in the past. It now appears certain that there is no chance that Congress will allow a change in the Dodd-Frank legislation provision that requires regulators to take out references to ratings from their rules. Banking trade groups had been pushing for a change in the provision. Karen Petrou of advisory firm Federal Financial Analytics says this event will also make U.S. regulators look for ways in which changes can be made to international financial agreements that require credit ratings. This includes the capital and liquidity requirements laid out by the Basel Committee. The credit ratings firms say they support efforts to decrease reliance on their ratings in the rules....