Overview: 2011/12/29 Headlines: Monitors Face Criticism amid Continued Syria Killings; U.S. Warns Iran on Threat to Close Passageway; U.S. to Sell Fighter Jets to Saudi Arabia; 35 Killed in Turkish Strike on Kurdish Area; U.S. Drone Program Spans Continents, Agencies; Afghan Soldier Kills 2 NATO Troops; U.S. Withdraws from Afghan Media Center; Paul, Santorum Surge in Iowa Polls; 10 Arrested in "Occupy the Caucus" Protests; Satellite Photos Track Expansion of Tar Sands Oil Extraction in Canada; Muslim Leaders Boycott Bloomberg Event over Spying