Paul Lewis joins a police team as they try out a new method of reducing youth crime.
Declan Walsh in Islamabad reports on an interview with the man behind Pakistan's nuclear weapons programme, AQ Khan, who is still under house arrest.
Professor Tim Lang explains what can be done about the growing crisis in poor countries as food prices continue to rise.
Guardian columnist George Monbiot fails in his attempt to make a citizen's arrest on the former US ambassador to the UN, John Bolton.
And Mark Tran visits an exhibition of photographs taken by young residents of a Nairobi slum.
