A poll by research company Ipsos Mori for education charity DEA found one in five English schoolchildren were not discussing world problems or world events at school. According to the research only 50 per cent of the 2,000 young people surveyed believed people from different backgrounds should live in the same country. Hetan Shah, chief executive of DEA, said: “The government wants young people to have a world-class education, but a key question is whether it is preparing them for the world....