Greg Koukl is the host of the apologetics radio show Stand To Reason whcih aims to equip believers with good reasons for their faith and to answer the objections of sceptics.

Greg talks to three atheists on today's show. Stuart questions whether Christian doctrines of sin and atonement make sense. Bill asks whether the argument from morality makes sense. Derek points out that Christians seem to hear contradictory things from God.

For more debates visit www.premier.org.uk/unbelievable

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For Stand To Reason http://www.str.org

For Stuart Ingrouille's book http://goo.gl/4iSu7

Get the MP3 podcast of Unbelievable? http://ondemand.premier.org.uk/unbelievable/AudioFeed.aspx or Via Itunes

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