The 2.1 million U.S. Episcopalians will have to ponder three urgent questions now that their General Convention in Minneapolis has approved the election of an openly homosexual cleric as next bishop of New Hampshire: Will their tiny denomination (there are fewer Episcopalians now than convicts in jail) remain in communion with the rest of the world's 70 million Anglicans? Their chances are slim, given the warnings of the Most Rev. Peter Akinola, archbishop of Lagos and primate of Nigeria, who has of late become the world's most forceful Protestant voice. How will the Minneapolis decision impinge on ecumenical relations with...