Will Conservative policies raise mortgages by £4800, as Labour claim? Are primary school kids in England the best readers in the (western) world, as the Conservatives claim? Are there more potholes in the UK than craters on the moon? Tim Harford investigates some of the numbers in the news. Presenter: Tim Harford Reporter: Kate Lamble Producers: Nathan Gower, Simon Tullet Beth Ashmead-Latham and Debbie Richford Production coordinator: Brenda Brown Sound mix: James Beard Editor: Richard Vadon