Often Christians behave as if their central convictions about God has little practical bearing on the world and its problems, says Simon Barrow. On the contrary, being engaged by the Trinitarian mystery of God is central to facing up to the world's lesions with realism and hope.

Our parliamentary politics is about mediating different interests in a society of strangers, says Simon Barrow. But bioethical decisions confront us with the need to move beyond accommodation and confrontation to moral community.