Potomac Institute for Policy Studies Senior Fellow Amb. David Smith (Ret.) is the Director of the Potomac Institute Cyber Center. He is a cyber security and cyber policy analyst, and a former US arms negotiator.  In an interview with Federal News Radio, he reacted to Defense Secretary Leon Panetta's comments warning that a cyber "Pearl Harbor" could be coming if the US doesn't pay more attention to cyber defense. Click here to read and listen to the story on the Federal News Radio website.