President Obama's Support Is Evaporating

President Obama's approval ratings have dropped so low he's vulnerable to the Republicans, even before they've chosen a candidate. We hear from supporters and critics and ask if he can provide what next year's voters will be looking for. Also, Fitch reaffirms the United States' AAA rating, and the federal gasoline tax is about to expire. What will that mean in Washington?

Banner image: President Barack Obama waves to people along the road in Decorah, Iowa, Aug. 15, 2011, during a three-day bus tour in the Midwest focusing on ways to grow the economy. (Official White House Photo by Pete Souza)