STUXNET question

James McGirk: How much damage did the STUXNET virus really do to Iran’s nuclear program?

Answer: James, it’s hard to know for sure, but reports out of Iran admitted to fairly extensive damage to the uranium gas centrifuges, especially at Natanz. Furthermore, it seems that the STUXNET virus replicated and spread itself elsewhere and also was followed by other, similarly damaging cyberwar viruses…