Experts and Expertise in Science and Technology in Europe since the 1960s

Do the politicians actually take decisions, or rather the experts do it in their place? In other words, it is a matter of understanding whether the political stakeholders/representatives simply approve the final stage of a decision procedure led by the experts they have delegated, since they lack cognitive skills or because the experts do not try enough to explicit potentials and risks involved. Here lays the possible loss of democratic legitimacy in the decision-making process. This brings into