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The zig-zagging between right and left extremes in the European elections and the recent U.S. Supreme Court ruling that executive agencies have no special competence in the statutory process — reversing the famous Chevron decision of 1984 that they do — share one thing in common: a reaction to elitist decisionmaking that increasingly involves science and science advisers.
I want to argue that, despite the concerns, science is still the only source of policy that works, but that we need a better way of delivering it.
For some time, sociologists have realized that in a technological society it is the recognition of risk that confers political power, because most of us do not understand the problems arising from technology and how they should be addressed. So we become dependent on experts. But that gives them powers that have not been legitimized by the democratic process.
This is where the executive agencies (EAs) in the U.S. and directorates-general of the European Union Commission come into focus. They employ specialists and have advisory committees of science experts.
What makes science successful in addressing policy problems is not just that it is based on evidence carefully collected under controlled conditions, systematically addressing inevitable uncertainties in a complex world, but that the results have to be repeatable in public. It is this requirement for repeatability that confronts the inherent bias in us all (including scientists) and that makes it the only source of knowledge that delivers understanding that works. It has delivered spectacularly in generating the new technology and addressing the risks that are arising from it.
But as important is the recognition of a difference between facts and what we do with them. Decisions depend on preferences and values. Science has nothing to say about these. In a democracy, those affected should be making decisions.