Summary: Andrew Marr talks to Swedish poet Lars Gustafsson about whether writers have a responsibility to challenge the establishment. Gillian Tett, the Financial Times journalist who predicted the financial crash, explains the growing attraction of gold. Writer Patrick Wilcken describes the intellectual Claude Levi-Strauss, as 'the poet in the laboratory' in a new biography. And Ed Vulliamy reports on the lives of those caught up in the war of drugs and gangs on the US-Mexican border.
