Overview: 2012/01/03 Headlines: Obama Signs Defense Bill Allowing for Indefinite Detention of U.S. Citizens Without Trial; Controversial Defense Bill Tightens Sanctions on Iran; Iowa Holds First 2012 Presidential Caucus; Occupy Supporters in Iowa Stage Actions Against GOP Candidates, Obama; Scores of Occupy Protesters in New York City Arrested Following New Year's Eve Action; Global Revolution, Occupy Wall Street Live Streaming Source, Evicted from Brooklyn Production Studio; Iraq PM Declares National Holiday to Commemorate U.S. Troop Withdrawal; Egypt: Mubarak in Court, Accused of "Tyrannical Rule"; Egyptian Military Defends Office Raids of Human Rights, Civil Society Groups; Nigerian Protesters Demand Shell Clean Up Massive Oil Spill; Senegal: Music Star Youssou N'dour Announces Plans to Run for President; Islamic Center Targeted in String of Firebombings in Queens; Federal Authorities Investigate Fire at Florida Abortion Clinic Previously Targeted with Violence; LAPD Arrests German Man in Connection with 53 Arson Fires; Iraq War Veteran Suspected in Park Ranger Killing Found Dead After Massive Manhunt; Seismologists: Fracking Linked to 11 Ohio Earthquakes Since March