Man the lifeboats. The idiots are winning. Last week I watched, open-mouthed, a Newsnight piece on the spread of "Brain Gym" in British schools. I'd read about Brain Gym before - a few years back, in Ben Goldacre's excellent Bad Science column for this newspaper - but seeing it in action really twisted my rage dial. Brain Gym, y'see, is an "educational kinesiology" programme designed to improve kiddywink performance. It's essentially a series of simple exercises lumbered with names that make you want to steer a barbed wire bus into its creator's face. One manoeuvre, in which you massage the...