Feeling depressed about politics? I hope not. Politicians don’t shape the world: they are the furniture movers, not the furniture makers. It is inventors, scientists, philosophers, craftsmen, artists and poets who influence our lives. And sports people of course. Which means it’s time to think about Ben Stokes again. The Test Match Special lunchtime guest on the Saturday of the Headingley Test was Joe Simpson, ace climber and cricket-lover, and author of the epic Touching the Void.