Overview: 2013/12/31 Headlines: Iraq Violence Caps Deadliest Year Since 2008; Russian Police Detain Dozens After Volgograd Bombings; South Sudan Rebels Claim Control of Bor; Leader Agrees to Peace Talks; U.N. Says 180,000 Displaced by South Sudan Violence; Congolese Troops Quash Series of Attacks; 100 Killed; U.N. Says 15 Died from Hunger in Palestinian Area of Syria; Chemical Weapons Team Misses Deadline in Syria; Lebanon Fires on Syrian Helicopters in Its Airspace; Israel Releases 26 Palestinian Prisoners amid Reports of New Settlement Plans; Burma Releases Political Prisoners in Year-End Amnesty; Federal Regulators Choose Drone Test Sites in U.S.; Survey: Afghan War May Be Least Popular in U.S. History; Report: At Least 70 Journalists Killed in 2013; Mile-Long Train Carrying Crude Oil Derails in North Dakota; Report: 7,300-Mile Area Polluted with Mercury Around Alberta Oil Sands; Poll: Less Than Half of Republicans Accept Evolution; Reproductive Justice Pioneer Dr. Kenneth Edelin Dies at 74