Over the next month, the future of the worldwide Anglican church is on the line. In July, the Archbishop of Canterbury will host the once-a-decade Lambeth conference, but hundreds of conservative bishops, opposed to the leadership's stance on homosexuality, will stay away. They are holding a rival gathering in Jordan. Bishop Martyn Minns is one of the key conservative rebels. Stephen Sackur asks him if Anglicanism is about to tear itself apart.