I found this article today, and thought it was a pretty good take on what white people (and parents in particular) might be able to do to fight the racism that's ingrained in North American society. I'm not a parent, so my knowledge on how accurate it is from that standpoint is limited, and I don't agree with everything in it.

But it feels like it hits the mark pretty well, to me:

An Open Letter to my Fellow White, Liberal Parents