The Edge of MadnessThe world is peering into the terrifying chasm of a new kind of conflict, where computers take over from missiles and global damnation comes at the click of a button. Cyber warfare: the kind that brings nations to their knees, switching off energy lifelines, crippling the financial markets, starving leaders of authority. An old Russian nuclear reactor goes into Chernobyl style meltdown, while on the other side of the world, the US Eastern Seaboard is