A rundown of stories from Friday 24 May including programme highlights and comment.
Insight, analysis and expert debate as key policy makers are challenged on the latest news stories.
Friday 24 May
The former commissioner of the Metropolitan Police, Ian Blair, on whether the death of Drummer Lee Rigby could have been prevented. There are calls for sex education to include teaching children about the impact of pornography. And is it best to quit while you're at the top of your game?
0900Our editors today Andrew Bryson and John Shields. From everyone in the Broadcasting House news room, have a good morning.
When young men or women commit terrible deeds in pursuit of some perverted ideal we talk about them having been radicalised. Jahan Mahmood, who works with young British Muslim men, and Shiraz Maher, senior fellow at the international centre for study of radicalisation at King's College London, how young people become radicalised and if that is the right word to use.
According to a book published next week, The Numbers Game, analysing data from football games can reveal some surprising truths about the best way to play the game - some of which run counter to the prevailing beliefs held by clubs and fans. Chris Henderson, a social scientist, football analytics pioneer and co-author of The Numbers Game: Why Everything You Know About Football is Wrong, and Alison Kervin, sports editor at the Mail on Sunday, examine the information that book will reveal.
Groups of youths have burnt down a restaurant, torched more than 30 cars and injured three police officers in a fourth night of riots in suburbs of the Swedish capital. The BBC's Steve Evans reports from Stockholm.