Anglicanism sometimes seems like a country with a proportional representation system of government that is doomed, Groundhog Day-style, to be forever in an election year. For the last 150 years or more, Anglicans have subdivided into three basic groups. Labels have varied based on time period and nuance, but, for convenience, let's use Anglo-Catholic, Evangelical, and Modernist. As any student of politics knows, three parties means coalitions. As there is no election day, however, Anglican party strength is perpetually being tested—every decision and every appointment can be read as a triumph for one faction or another. Related to this is...