Racism is alive and thriving in the 21st century. It did not take the pictures of Virginia Governor Ralph Northam dressed up in a KKK hood or a wearing a black face to understand that one of America’s original sins continues to fester to this day. Our nation is too steeped in social classifications—artificial constructs that were always meant to divide us and incite tribalism—to think that we have arrived at a post-racial age. Opinion…