Cyberwarfare and the Rules of Engagement

The Pentagon is reportedly ready to tell other countries that cyberwarfare could lead to a military reaction. What is cyberwarfare? Is the US already engaged? Will new rules of engagement be needed in cyberspace? Also, Also, President Obama touts the auto bailout, but labor numbers are a cause for concern. On Reporter's Notebook, the federal grand-jury indictment of Democratic politician John Edwards.

Banner image: The National Cybersecurity and Communications Integration Center facility in Arlington, Virginia is designed to help protect the technical infrastructure of the United States. Photo: Win McNamee/Getty Images