A young man asked me that exact question yesterday.
Well, he didn't really ask it... it's more like he sneered it at me, as though the idea was so absurd it couldn't survive daylight.
He'd just read my article about Clarence Thomas. About his speech at UT Austin last week, where he cited Sowell by name, called progressivism retrogressive, and connected it to the mass graves of the 20th century. It's going viral as I write this.
[Here's the Link]