When the Stammer Came to Stay is award-winning author Maggie O’Farrell’s third book for children. Based on her own experience of living with a stammer, it's a story that celebrates differences and explores the resilience of children as they learn to navigate new and seemingly frightful challenges. She talks to Anita Rani about the book and the impact of her stammer on her life.Gregg Wallace is to step away from presenting MasterChef while allegations of historical misconduct are investigated. Wallace's lawyers say it is entirely false that he engages in behaviour of a sexually harassing nature and MasterChef's production company Banijay UK has launched an investigation. To discuss the story, Anita is joined by Katie Razzall, the BBC's Media Editor. Anita also speaks to Emma Bartlett, employment lawyer and partner at CM Murray, to look at some of the issues cases like this raise in terms of reporting allegations of inapproprate behavior in the workplace.In Nigeria scammers posing as doctors are convincing women that they have a “miracle fertility treatment” guaranteed to get them pregnant. BBC Africa Eye Reporter Yemisi Adegoke explains how these scammers target infertile women and fuel an underground trade in black market babies. Nigeria’s Miracle Baby Scammers is on BBC iPlayer.The Italian-American soprano Marina Costa-Jackson's acclaimed portrayals include Floria Tosca at the Lyric Opera of Kansas City, Mimi in La Bohème at Los Angeles Opera, and Carmen with Nashville Opera. She has now made her Royal Opera House debut where she is currently singing the role of Giulietta in a new production of The Tales of Hoffmann. She joins Anita, live in the studio, to discuss the role, how she handles performance anxiety, and to sing the aria L'amour lui dit la belle, accompanied by Christopher Willis on piano.Presented by Anita Rani Producer: Louise Corley