Going postal has been enfranchised, technologically “empowered.” Now anyone with a grievance, righteous or wrongful, can register his displeasure with a vengeance, on a scale unprecedented, unimagined. Jilted? Blow up her wedding party. Underpaid? Sprinkle Eboli in their staff canteen. Overtaxed? Cyber-raid the IRS’s pantry. Losing Pascal’s Wager? Post Polonium-210 to the infidels (and anyone else along the paper trail). And if all else fails, or you’re in an especial rush, strap on a boom-belt and take out the nearest crowd. ‘At’ll teach ’em.