The term was popularized by sociologist Robin DiAngelo in her 2018 book of the same name that seeks to explain why white people often find it so hard to discuss race, why the subject frequently makes them angry and defensive. Well, a textbook example of that fragility recently roiled social media.
We're indebted to Saira Rao, a former candidate for Congress from Colorado. She tweeted a screenshot of an online review from a tourist who was "extremely disappointed" at having visited a Southern plantation only to find the tour included material on -- of all things -- slavery.