New York Times columnist Charles Blow argues that white supremacy in America will never fully recede, and that it’s time for Black people to do something radical about it. In The Devil You Know: A Black Power Manifesto, he urges a “reverse migration” to the South to consolidate political power and create a region where it’s safe to be Black. (This is an episode of the Freakonomics Radio Book Club.)

Not so long ago, G.E. was the most valuable company in the world, a conglomerate that included everything from light bulbs and jet engines to financial services and The Apprentice. Now it’s selling off body parts to survive. What does the C.E.O. who presided over the decline have to say for himself?