Just finished a brilliant book: Don DeLillo’s most recent novel: Zero K. This is one of his best, which is a high bar. Can I call it science fiction? The critics call it literary fiction (which it is.) But here’s the story. A billionaire, Ross Lockhart, is the major investor in a mysterious, literally underground facility that cryogenically preserves and stores bodies until medical science can cure their illnesses or defects–and perhaps, until the world finds a cure for its…..