What happens when middle class white people move into vibrant, ethnically diverse and challenging areas in inner city London? Emma Jackson talks to Laurie about the developing attitudes of the 'gentrifiers' in Peckham and in Brixton. Also, Irena Grugulis, author of Jobs for the Boys returns to the programme: She address points raised by listeners on her study of networking in the media and discusses the concept of 'social capital'. Producer: Charlie Taylor.