Politicians don't really have a great understanding of the citizens they serve, according to Michael Bang Petersen. In place of evidence from decades of psychological research, they tend to substitute their own instincts and common sense, together with more or less apposite fragments of behavioural science and economics. Nowhere was this more evident than during the early days of the Covid-19 pandemic, when opportunities to build trust and communicate science were squandered. Tune in and settle down for an intriguing tour of how things ought to be done.