Among the profoundly Catholic people of Central America’s most populous country, Pope Francis will confront core issues that threaten the Church throughout the continent Next Friday evening, the papal plane is set to touch down at Mexico City’s Benito Juárez International Airport at the start of a visit by Pope Francis that promises to be the most powerful demonstration to date of his concern for those “on the peripheries”. The itinerary of the five-day schedule that criss-crosses Central America’s most populous country maps out just how strong is the pontifical outreach to the poor. But the most eagerly awaited part of the visit is perhaps not so much to a periphery as to a borderline –  where the developed, mainly orderly world meets the