In the new book, “WTF: What’s the Future, and Why It’s Up to Us,” founder and CEO of O’Reilly Media Tim O’Reilly argues Silicon Valley and the innovation it’s fostering can be either a fount of amazement or a source of dismay. The direction technology leads our society is ultimately up to us, the policymakers and the public they represent. He joined the podcast to discuss how Americans should respond to the coming changes, and whether our government is up to the task.