Just a week before, education secretary Betsy DeVos said that America’s historically black colleges and universities were “pioneers” of school choice. In fact, they were a result of racial segregation. Carson’s comment, similarly, implies that African Americans who were brought over and made to work as slaves had some kind of choice in the matter.

It’s not Carson’s first misstep on matters of history—he once said he believes Egyptian pyramids were originally built ”to store grain.” Nor is he particularly progressive when it comes to race issues in his new brief; his only publicly stated opinion about housing policy before taking his current job was that desegregation was a bad idea, and would join the “history of failed socialist experiments in this country.”

The actor Samuel L. Jackson led the chorus of the unimpressed on Twitter:

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