tag:bbc.co.uk,2008:cps:playlist:mediaAsset:14327423 Sheriff: There are plenty of jobs for US citizens Newsnight's Paul Mason retraces the harrowing journey taken by migrant workers the Joad family which John Steinbeck described in his 1939 novel The Grapes of Wrath, to find out how it reflects the realities of America's current economic crisis. 2011-07-28T10:51:52Z News 14327423 99127 blocked tag:bbc.co.uk,2008:cps:advert:mediaAsset:14327423 tag:bbc.co.uk,2008:cps:ident:news:video:640x360 tag:bbc.co.uk,2008:cps:mediaAsset:14327423