Mark Lawson visits the new Nottingham Contemporary arts venue and speaks to its director, Alex Farquharson, whose opening show is a major retrospective of the work of David Hockney, and the architect Adam Caruso of Caruso St John, who has created a green concrete and gold metal building on the site of a former railway cutting. Steven Soderbergh, director of Erin Brokovich, Traffic and Ocean's Eleven, talks about his new film, The Informant! which stars Matt Damon as a whistleblower in an agri-industry company. Mark reviews the new Channel 4 comic drama series Cast Offs, in which disabled characters are left on a desert island for a fictional reality TV programme, with the journalist Sarah Crompton and the sociologist and disability rights campaigner Tom Shakespeare.