Cyberwar ahead?

Lee Smith looks asks whether the Stuxnet worm spells a newly emerging field of cyberwar, and asks whether 'we' (meaning the US in this instance) are ready for it. First reports showed that the Stuxnet worm had targeted the industrial control systems, also called SCADA, at Iran’s Bushehr nuclear reactor, but others contended that a different Iranian nuclear facility at Natanz was the destination