Summary: This week Libby Purves meets Travis Meinolf, an 'action weaver' who travels the world engaging communities in interactive weaving; Vernon Rapley, Director of Security at the V&A who formerly led the Metropolitan Police's Art and Antiques Unit; Professor Lewis Wolpert is a developmental biologist and octagenarian whose new book, 'You're Looking Very Well' explores the scientific and social implications of getting old.
