Cover -- Contents -- Foreword -- Introduction -- The need for a new foundation -- What is essential to the left? -- 1 Politics and Darwinism -- The right-wing takeover -- Facts and values -- How the left got Darwin wrong -- The dream of perfectibility -- Old tunes keep coming back -- 2 Can the Left Accept a Darwinian View of Human Nature? -- Unpopular ideas -- What is fixed and what is variable in human nature? -- How can reformers leam from Darwin? -- 3 Competition or Cooperation? -- Building a more cooperative society -- The prisoner's dilemma -- Learning from Tit for Tat -- 4 From Cooperation to Altruism? -- The puzzle of the evolution of altruism -- Status for what? -- 5 A Darwinian Left for Today and Beyond -- Notes and References.