They've brought you presidential election coverage and promoted worldwide access to PCs, and now they're telling you to take off your belt and throw out your hairspray. Starting today, London Luton and Manchester airports will beam in images of holographic agents to prep passengers for the security line. Holly and Graham -- you heard right -- and Manchester's Julie and John are meant to cut queues, as well as human inconsistency. According to Luton's Glyn Jones, "Holly and G
