BAGHDAD, June 1 (Xinhua) As most children around the world are celebrating International Children's Day on Saturday, the children in Iraq are still struggling to escape the impacts of violence, displacement, and terrorism that plagued the country following the U.S.-led invasion in 2003. Among them is 10-year-old Hathal Sabbar who grew up in the town of al-Dhuluiya north of Baghdad. In 2011, following years of military invasion, the United States