15 Minutes is a weekly interview podcast with the biggest names in the global security space. Artificial Intelligence, cyber warfare, C4I network grids: just a few of the things that Bob Work was keeping the Department of Defense updated and innovating on during his time as the Deputy Secretary of Defense. This week, The Cipher Brief brings you a special treat for the holiday week, two podcast interviews between Bob and CEO & Publisher Suzanne Kelly. In Part I, Bob and Suzanne discuss some of the biggest challenges he was facing in his position, most especially, convincing the culture of the Department to accept change.