Derrick Bell, the man whose scholarship inspired Barack Obama, was the Jeremiah Wright of academia. And a Hollywood cult hero. Bell was one of the chief proponents of Critical Race Theory, a radical doctrine that holds that American legal institutions—including our civil rights laws—perpetuate white supremacy. Bell’s ideas were not only radical, but bizarre. After leaving Harvard (he resigned in 1992), he wrote a racialist, antisemitic fictional essay titled “The Space Traders,” which Ninth Circuit judge Alex Kozinski described in the New York Times with disgust: Imagine, if you will, that space aliens land in the United States and offer...