Mark Steel speaks about the common origins of the writings of Karl Marx at the Socialism 2008 conference in Chicago, USA. Mark Steel has been a columnist with the UK's The Guardian and The independent newspapers, a host of the 1990s BBC radio program "The Mark Steel Solution," and for years he has entertained audiences with his biting brand of leftist stand-up comedy. His newest book is entitled What's Going On? http://www.marksteelinfo.com/