The shutdown of the federal government is over and the debt ceiling has been raised. Furloughed federal workers are headed back to work starting today, and America will be able to pay its bills with borrowing authority extended through early February. The fight is over for now, but has the damage already been done? A credit ratings agency in China downgraded the U.S., despite the resolution to the fiscal battle. A new study finds that offering a bonus to teachers works -- under certain conditions. And, New York's Columbus Circle just won the coveted title of "Best Roundabout in the World 2013." The award is helping focus American minds on the benefits of this typically British traffic management system.