Sometimes it is useful for a racism skeptic to see tangible evidence that bigotry still exits, even among people considered respectable. Be careful to not overuse such examples, but they can be powerful counterpoints to the idea that explicit degradations of POCs are a thing of the past.
http://www.rawstory.com/2016/08/i-lost-the-nier-won-republican-alabama-mayor-loses-election-and-gets-racist-on-facebook/#.WaLOxan49Io.facebook