I grew up in Latin America, in a country where hardly 4 or 5 percent of the population was Protestant. It was also a time and a place where Protestantism was understood almost exclusively in terms of opposition to everything Catholic, and where most Catholics knew very little about Protestants, beyond the fact [they] were heretics. Most of my classmates in high school were Catholic in a very superficial manner. But some others were very devout, and one of the manifestations of their devotion was that they crossed themselves when they learned that I was a Protestant. In the first …