How Grapes of Wrath reflects realities of US debt crisis

Newsnight's Paul Mason retraces the epic journey from the Oklahoma Dust Bowl to the promised land of California, taken by migrant workers the Joad family in John Steinbeck's 1939 novel The Grapes of Wrath, to find out how it reflects the realities of America's current economic crisis.

Watch Paul Mason's film in full on Newsnight on Thursday 28 July 2011 at 2230 on BBC Two, and then afterwards on the Newsnight website and BBC iPlayer (UK only).