Socrates said 'The unexamined life is not worth living'. Taking this as his starting point, Os Guinness investigates the big questions.

Bill Craig and A.C. Grayling debate the problem of suffering in the light of tsunamis, on Justin Brierley's 'Unbelievable?' radio programme.

Richard Bauckham and James Crossley discuss Bauckham's book 'Jesus and the Eyewitnesses' and consider its implications, on Justin…