So Close and Yet so Far

Some of us remember the TV show from the 50s, I've Got a Secret.  If you don't remember it, your parents or grandparents do  Here's a clip from a 1956 broadcast. The guest's secret is that he saw Lincoln's assassination.  It helps bring home the fact that we aren't that far removed from the Civil War and slavery.  Maybe it helps explain why we haven't overcome it yet.