7 Chilton, Paul 2004 Analysing political discourse : theory and practice London Routledge xiv, 226 0415314712; 0415314720 ( British Library Metaphor Integrates cognitive linguistic insights and critical discourse analysis.p. 17 Re Dunbar and Mithen - "Though anthropologists call it 'social', it is a short step to seeing it as 'political', or proto-political."