Newsnight

In-depth investigation and analysis of the stories behind the day's headlines, including how Saudi Arabia treats some of those involved in Islamist terrorism abroad to personal counselling, new jobs, and even help finding a wife. Plus, Michael Crick tries to track down the 26 candidates on the campaign trail in the Haltemprice and Howden by-election to see what they stand for, and there's an interview with iconic architect Frank Gehry as he reveals his first English building.