Now Liz Truss has resigned after trashing the economy, it’s important that we keep holding onto the fact that this isn’t – and shouldn’t be – normal or acceptable. Politics can be exciting - a robust exchange of radical ideas – but it should be dull as anything in constitutional terms. Ours and others’ confidence in how our state and our country functions rests on that. It’s what the markets respond to – and it’s why they’ve gone so wild over the last three weeks.