Since multiple Russian drones crossed into Poland last month, European leaders have expedited the idea of a “drone wall” and rushed to discuss the need to invest in countering drones. But when it comes to European defense, Russian attack drones are not the true problem. The problem is an erosion of the pillars of nuclear and conventional deterrence. This erosion has myriad causes, but the impact is that Russia feels emboldened to test NATO’s political will by, among other things, flying attack