2012/12/27 Headlines: Geithner Warns U.S. on Verge of Debt Default; Months Later, U.S. Admits Responsibility for Drone Strike that Killed 11 in Yemen; Top Syrian General Defects to Opposition; Morsi Calls for Unity After Constitution Takes Effect; Opposition Plans New Protests; U.S. to Sell Surveillance Drones to South Korea; U.S. Deported Record 400,000 Immigrants in 2012; Supreme Court Refuses to Block Contraception Mandate; Los Angeles Holds Gun Buyback After Newtown; New York Newspaper Posts Map of Area Residents With Gun Permits; NBC News Anchor Probed for Displaying Gun Magazine; Hawaii Lt. Gov. Tapped to Fill Vacant Senate Seat; Russian Lawmakers Approve U.S. Adoption Ban; Dakota Mark 150th Anniversary of Mankato Executions