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Cheat Sheet: Cain Train Troubles

Today's headlines in under two minutes: new allegations against Herman Cain, Facebook's IPO is reportedly happening this spring, and the U.S. faces another credit downgrade.

11.29.11 3:28 PM ET

Today's headlines in under two minutes: new allegations against Herman Cain, Facebook's IPO is reportedly happening soon, and the U.S. faces another credit downgrade.