U.S. Defense Secretary Robert Gates speaks to the U.S. Army 25th Infantry Division Division troops from Hawaii during a visit to Camp Victory in Baghdad April 7, 2011. Gates arrived on Wednesday in Baghdad where he will urge Iraq to cement political stability ahead of plans to complete a U.S. withdrawal this year. REUTERS/Chip Somodevilla/Pool (IRAQ - Tags: MILITARY IMAGES OF THE DAY POLITICS)