International Holocaust and Genocide Day

Today is international Holocaust and Genocide day. How do you teach the next generation about genocide? Should it be compulsory for children to be taught the often brutal facts of a country's role in the history? Germany, Rwanda, and Cambodia, have all experienced genocides. Jewish parents in Israel have debated the proposal to teach their five-year-olds about their history. Some felt it could be too traumatic for them to digest. What's the best way to teach the past?