Many people in Cambridge are struggling to feed their families as a result of Covid-19; Deputy Mayor Alex Collis talks about the community effort that has been key to reducing its impact in Cambridge and the work of local food hubs. We hear from Culinaris on the effect of the trade agreement with Europe on supplies of food. Lizzie Collingham talks about her new book on the history of the biscuit. Presented by Matt Bentman, Alan Alder and Sue Bailey.