There's a period of life when we swallow a knowledge of ourselves and it becomes either good or sour inside.
Our history is that we can very aggressively, if necessary, and openly and democratically discuss our differences. We have a democratic history in which we come together and vote on these things.
Racism is a much more clandestine, much more hidden kind of phenomenon, but at the same time it's perhaps far more terrible than it's ever been.