Enter the passcode to watch "Physics Colloquium: A‌ ‌Case‌ ‌Study‌ ‌in‌ ‌Nuclear‌ ‌Proliferation‌ ‌-‌ ‌The‌ ‌Iran‌ ‌Nuclear‌ ‌Deal‌ ‌and‌ ‌the‌ ‌Responsibility‌ ‌of‌‌ Physicists‌ - Prof.‌ ‌Matthias‌ ‌Grosse‌ ‌Perdekamp"