Chip Walter is an author, future trends consultant, filmmaker and former CNN bureau chief. He has published three mainstream science books: Thumbs, Toes and Tears – And Other Traits That Make Us Human; I’m Working on That (written with William Shatner); and Space Age for Random House. He is now working on his fourth book about the ways primal drives shape nearly everything each of us feels, thinks and does. You can read about Chip’s thoughts on transportation in Pop City’s feature “Transportation Key to World Class Pittsburgh”.