I did. I said it was an exaggeration. He was obviously talking to a Northern audience. How could he be talking about something that didn't exist?
In addition he had a point that he wanted to prove.
Reunion of the 3rd Tennessee Cavalry. Look all the way to the right. I suppose it’s a mirage...
So is this guy, I suppose..
https://en.wikipedia.org/wiki/Nelson_W._Winbush