A horrific knife attack, Budget speculation and: are manifestos sacrosanct?

Ben Wright is joined by the former Conservative Home Office minister Kit Malthouse; Labour MP David Pinto-Duschinsky; and former top civil servant, Jill Rutter - from the Institute for Government. They discuss the recent knife attack on a train in Cambridgeshire and the latest speculation about the Budget. The programme includes interviews with Tory MP Nick Timothy about his report on the workings of the Home Office, and with the academic and former Labour adviser Patrick Diamond on the sanctity of manifesto pledges. Rowena Mason - Whitehall editor at The Guardian - brings expert insight and analysis on all the stories of the day.