Your uncertainty comes over as productive and instructive-when-shared.

You know, I wasn't even thinking about sharing this uncertainty with the class, but I've been having some difficulty getting them to talk about race at all, so this might be a good jumping off point for all of those discussions we haven't been having all semester. Huh.

Leastways, you've made me think I could go back and try again.

Now that you talk yourself back into academia once again? :-)