Yellen Disputes Credit Rating Downgrades, Citing Political Divides as Key Risk
- Yellen disagrees with Moody's decision to shift U.S. outlook from stable to negative
- Moody's cited higher interest rates and rising debt as risks to fiscal strength
- Moody's warns it could downgrade U.S. credit rating due to deficits and political divides
- Yellen also criticized Fitch's downgrade of U.S. credit rating in August
- Yellen urges House Republicans to avoid a government shutdown