Romney blames GOP for going along with sequestration; Ohio Republican Rob Portman responds

CNN's Erin Burnett talks to Senator Rob Portman (R-OH) about the possibility of another downgrade and the danger of the fiscal cliff.

U.S. credit rating hinges on Congress – Moody's

Next year will be a pivotal one for the United States' credit standing.

Moody's said Tuesday it would likely strip the United States of its sterling AAA rating if lawmakers fail to produce a long-term debt reduction plan next year.

But if negotiations go well, the rating agency said, it would probably affirm the country's AAA rating and change its outlook to "stable" from "negative." A negative outlook suggests the rating could be downgraded over the medium term.

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