Midday on Tech: The Volkswagen Scandal And JLENS Blimps

Sean Gallagher, Baltimore-based editor of ArsTechnica, talks about those white defense blimps that can be seen in Baltimore's eastern sky -- why they are there and what defense analysts say about their effectiveness at detecting attacks on the nation's capital. Plus, the Volkswagen emissions scandal, the new “Black Phone” designed with encryption for privacy and a plan by the Air Force to install laser weapons on fighter jets.