Overview: In our latest program Geraldine and her guests grapple with the thorny topic of children’s vaccination: Is it wrong for parents to opt out of vaccinating their children? Reality TV: What responsibilities do broadcasters, producers and viewers have to those who take part? And we also return to the Rolf Harris case: Should his creative legacy be expunged now from public view altogether? She is joined by Leslie Cannold, ethicist and writer; Tim Bowden, Anglican minister and school principal; Melinda Houston, TV critic and author and Matthew Beard, ethicist at the University of Notre Dame.