Cyberwarfare in the Era of Stuxnet and Flame

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President Obama ordered the Stuxnet virus attack on Iran's nuclear program. Has he changed the nature of warfare?  Is the US vulnerable to counter-attack and to espionage by computer viruses like the one called "Flame?" Also, Disney announces it will restrict junk food ads during children's shows, and the Transit of Venus looks like a black hole punched in the Sun and it's just as rare as it sounds.

Banner image: Analyists at the National Cybersecurity & Communications Integration Center prepare for Cyber Storm III at their headquarters in Arlington, VA, September 24, 2010. Photo by Jim Watson/AFP/Getty Images