KGO ABC 7 News At 11PM August 6, 2011
america's credit rating cut for the first time in history. the united states is no learning risk free investment. good evening, everyone. i'm carolyn johnson. dan ashley is off tonight. standard and poors lowered the triple-a rating to double a plus. karina rusk has been talking to economists about the potential impact. karina? >> if international investors taken the down grade seriously there could be serious repercussions. interest rates could go up and the stock market could go down. but the treasury says s&p made a $2 trillion mistake and the down grade should be dismissed. the d...