On Christianity and the Crisis of Cultures November 22, 2006. On Monday evening, November 20, Pope Benedict XVI's newest book, Christianity and the Crisis of Cultures, was introduced at a conference at the United Nations co-sponsored by Ignatius Press, Edizioni Cantagalli, the Path to Peace Foundation, and the Sublacense Life and Family Foundation. Speakers included Archbishop Celestino Migliore, the Holy See Permanent Observer at the U.N.; Professor Marcello Pera, Senator of the Italian Republic; and EPPC Senior Fellow George Weigel.