long-term american ability to deliver profits. >> now the markets are wondering what could stop the selling?i] all eyes will be on the federal reserve, ben bernanke and company, meeting today. and many are hoping they might announce an expansion of their programs to help boost the economy. tanya and daniel? >> thanks, dan. now to the political finger-pointing in washington about who's to blame for the credit downgrade. >> president obama i i challenging congress to do something to help the economy and create jobs. critics say the white house is at fault. abc's scott goldberg looks at the political fallout. good morning, scott. >> good morning, daniel and tanya. president obama tried to reassure investors, saying the s&p downgrade doesn't tell us anything we don't already know about the u.s. deficit. but that was not enough to stop another brutal day on wall street. the president downplayed the standard & poor's downgrade of the u.s. aaa credit rating. saying we're still a aaa country. but that didn't help. the dow fell another 200 points