n 2002, I got it into my head that I wanted to attend what was then described as the “Old Latin Mass.” I had been reading in the dingy corners of the Internet, which is always dangerous, and these Latin Mass people seemed able to explain some of the gap between the grand ideas I was studying in a medieval-theology class at my college and the worship at most Catholic parishes, which, to me, seemed little different from the Lutheran services I’d seen as a teenager. One Sunday morning I got in my car, and life has never been the...