While the media focuses on the upcoming anniversary of John Paul II’s election Oct. 16, it’s easy to forget that 2003 also marks 25 years from the election, brief pontificate, and death of his predecessor, John Paul I. “The Smiling Pope,” as he came to be known, reigned just 33 days, from Aug. 26 to Sept. 28, 1978. To mark the occasion, I sat down over two days, Aug. 26 and 27, with the man who was the late pope’s closest collaborator, Fr. Diego Lorenzi. He had been Cardinal Albino Luciani’s private secretary in Venice for two years, and then...