(Voice of America) – Despite stinging military defeats and enormous financial strains, Islamic State (IS) is working to imprint a lasting legacy on children through increasing in-classroom training in areas it controls and an aggressive social media campaign. In its self-proclaimed caliphate, IS is schooling thousands of children in Iraq, Syria, Afghanistan and other places in radical, anti-Western thought and ways of terror, VOA has found in interviews with activists, local officials and analysts.