In Future Tense, Gwynne Dyer's brilliant follow up to last year's bestselling Ignorant Armies, he analyzes how the world made its way to the brink of disaster, and describes how we may all slide over the edge. It was fringe groups of extremists - Islamist fanatics and American neo-conservatives - who set the process in motion, but it has gone well beyond that now. It is not too late, but the clock is running.