Experts don't know everything. When it comes to matters we must decide in Government and politics. Yes, in many, maybe even most, fields, experts can offer valuable, sometimes crucial, assistance, but it is entirely wrong, in my view, to think there is a podium of truth—some voices whose words are the definitive answer. We did away with that religious certainty centuries ago. I think they called it The Enlightenment. Politicians' and journalists' job, I might add, isn't to slavishly follow experts. That's an abdication of our responsibility as elected officials, elected to weigh and—as I have said—bring our values and principles to bear on the issues at play. Nothing in politics and Government comes down to "the science says this"; there are always wider social, economic, and normative implications as well, which we have a duty to have an opinion and a side on.