The Brit papers have been full of news about the Swedish daycare expert brought in to address Conservative MPs about the iron-clad, data-driven link between Sweden's universal daycare and the rise of teen mental health issues there. Jonas Himmelstrand was there to warn Britain that sending mothers to work and kids to daycare was bad for the family and the nation. Only one problem: he has no formal qualifications to speak on the subject, and the scientist whose research he cited says he got it all wrong.