Violencia en Irak
U.S. Ambassador to Iraq Zalmay Khalilzad answers questions during a press conference at the heavily fortified Green Zone in Baghdad, Tuesday Oct. 24, 2006. Iraqi forces should be able to take full control of security in the country within the next 12 to 18 months with minimal American support, Gen. George Casey, the top U.S. commander in Iraq, said on Tuesday. (AP Photo/Thaier al-Sudani, Pool)