The Anglican Communion is in turmoil. One of the great historic pillars of Christianity, embraced by 70 million people in 164 countries, faces the real and immediate possibility of dismberment, as the spectre of schism looms ever closer. Yet why is gay sexuality the tinderbox that could rip the Anglican Communion apart, and put an end to a century-old and hugely-prized international unity, when such contentious issues as the ordination of women,...