A few weeks ago I had the opportunity to visit St Martin’s, the oldest continuously operating Christian church in the English speaking world. It is a few miles from Canterbury Cathedral, which is different from St Martin’s in almost every conceivable way. The Cathedral is a magnificent example of architectural achievement, was a place of pilgrimage for hundreds of years, and has been the site of some pretty significant power struggles. St Martin’s is none of those things. It is little, simple and straightforward. The small part in the back was built and established by the Romans in the late 400’s. But when the Romans left Britain, so did Christianity…