Will this man make you happy?

The government's 'happiness tsar', Richard Layard, thinks he knows why we're all so miserable - we're overpaid, over-materialistic and lonely. But, he tells Stuart Jeffries, he has a plan to banish the blues in Britain, once and for all

Weight measures

Everyone wants to teach families how to avoid obesity ... but who picks out which children need help? Jackie Kemp reports