Sentamu takes welcome stand against a tyrant

'And I'm not going to wear a dog collar again, until Mugabe is gone." With a well-chosen sentence, a pair of scissors, and a prime-time TV slot, the Anglican Archbishop of York, John Sentamu, has refocused attention on Robert Mugabe in a way that Gordon Brown's boycott of the Lisbon EU summit has not.

The Bish - as he came to be nicknamed during a Poverty Commission six years ago - became an unlikely soundbite king yesterday when he used an appearance on BBC 1's Andrew Marr Show to cut up his dog collar on air, pledging not to replace it until the...