After listening to that, I think the more urgent question is whether Carson was born stupid or stupidity is his choice. Fortunately, freedom still wins in the end, since we don't have to elect him to anything.
He's a neurosurgeon.....he can't be naturally stupid.
Yeah. But the fact that he is a neurosurgeon should equip him with at least some understanding of biology. Anyway, no amount or kind of education guarantees protection to any of us against harboring absurd biases, I guess. That too is part of the human inheritance.