Sen. Jim DeMint (R-S.C.) responded to the nation's downgrade at the hands of Standard & Poor's by calling for the resignation of Treasury Secretary Timothy Geithner. Saying "enough is enough," the Tea Party favorite pressured President Obama to remove his top economic official and adopt a new perspective. "The President should demand that Secretary Geithner resign and immediately replace him with someone who will help Washington focus on balancing our budget and allowing the private sector to create jobs," he said in a statement. "For months he opposed all efforts to reduce the debt in return for a debt ceiling...