11 year-old orphan Salah Abbas (top R) shows his picture with other medals hung on the wall while sitting with other roommates in a room at the Safe House orphanage in Baghdad's Sadr City February 11, 2009. As violence finally fades and U.S. troops prepare to withdraw, sociologists and health experts say the children's reactions to such trauma could threaten Iraq's fragile calm just as it needs stability to rebuild. Picture taken February 11, 2009. To match feature IRAQ-ORPHANS/ REUTERS/May Naji (IRAQ)