Turkey's presidential hopefuls, provocative Italian ministers, and masked Mexican wrestlers. Kate Adie introduces correspondents' stories from around the world: “He’s drawn vast crowds to his rallies, appearing at times like a comedy performer, breaking into traditional dances and using props to satirise Recep Tayyip Erdogan” Mark Lowen is on the trail of Muharrem Ince who wants to be the next President of Turkey. John Sweeney is in Calabria investigating the growing influence of Matteo Salvini - the populist Italian minister who has become a hero of the hard right and an enemy of the liberal left. Harriet Constable visits a project in South Africa which is helping women to reveal painful secrets they have kept for years and tell their children that they are HIV positive. In Kazakhstan, Stephen Sackur hears about big plans for its capital – casinos to rival Las Vegas and a financial centre to challenge Singapore - but what will happen when its long-serving present finally steps down? And in Mexico Sara Wheeler watches masked men fight while a crowd munches popcorn – she spends an evening at the Lucha Libre.