Opinion: Why teaching the horrors of the Holocaust is vital

Thursday is Yom HaShoah or Holocaust Remembrance Day — a time when our country joins others around the world to commemorate and to mourn the 6 million Jews who were murdered in the Holocaust. Yet even as we seek to remember, the truth is that too many people across the United States don’t know about or understand the horrors — and the lasting legacies — of genocides like the Holocaust.