Kemi Badenoch’s speech on climate this week was not interesting of itself: she said net zero couldn’t be achieved by 2050 “without a serious drop in our living standards or by bankrupting us”. She has no expertise in climate science, no background in renewables or apparent familiarity with the advances made in their technology, no qualification in economics – just about the only bit of that sentence she knows anything about is bankrupting us. Yet even if Badenoch can take its particulars and shove them, the fact of its existence is interesting for a number of reasons. First, this attack