Barack Obama has appeared on Tonight With Jay Leno - the first time a sitting president has been a guest on a TV chat show. Oliver Burkeman was one of millions tuning in to see Obama vow to reform Wall Street.
Josef Fritzl begins a life sentence in a psychiatric institution today after admitting negligent murder, enslavement, incest, rape, coercion and false imprisonment. Kate Connolly reports from St Pölten in Austria.
The Guardian has lost a legal battle in the high court over the publication on the paper's website of internal memos about alleged tax avoidance by Barclays bank. Investigations editor David Leigh explains why the Guardian argued for their publication.
Columnist George Monbiot discusses the environmental rights and wrongs of Agas with the chief executive of Aga Rangemaster, William McGrath. You can hear the full discussion tomorrow.
The former heavyweight boxing champion Mike Tyson tells Simon Hattenstone why he's become the subject of a new documentary.
The socialite Dasha Zhukova tells Tom Parfitt how she's staging Moscow's biggest ever contemporary art exhibition.
