Start the Week - 22/02/2010

Andrew Marr looks at how society is shaped by science and war. Caroline Alexander explores what we can learn about the nature of conflict from reading The Iliad, while the journalist Andy Beckett asks about the role of the Chilcot Inquiry. Professor Robert Winston discovers that not all scientific endeavour is a positive development, and Raymond Tallis explains that it all comes down to the fact that we can point.