Senior Vice President of National Security Policy Jamie Barnett, Jr., RDML USNR (Ret.), is a retired Navy admiral, a cyber security analyst, and a former Chief of the Federal Communications Commission's Public Safety and Homeland Security Bureau.  In an interview with Federal News Radio, he offered his observations on the top three challenges facing the Department of Defense in 2013.  At the top of the list: critical gaps in oversight of the supply chain for the Pentagon's electronic systems.  Click below to listen to the interview. Click here to read more.