Dr. Melissa Flagg joins host Ken Harbaugh to talk about R&D in the United States and efficiency in the Department of Defense - plus, why she finds optimism in science and history.

Dr. Flagg is a senior fellow at Georgetown’s Center for Security and Emerging Technology and has served in a number of roles within the Department of Defense, most recently as Deputy Assistant Secretary of Defense for Research. Find Melissa on Twitter at @flaggster73.