Leslie Palti-Guzman exchanges with Benjamin Schmitt, a former Advisor at the US State Dep. and Scientist at the Harvard Center for Astrophysics. The podcast is divided in two parts given Benjamin's unique background on geopolitics and physics : 1) We dive into European energy security: Nord Stream 2 gas pipeline, Russia, Ukraine, Belarus and US's involvement ; 2) We discuss nuclear fusion and US South Pole mission. Lastly, you will hear why we need more scientists in policy making.