 His books and essays have been published in academic journals in Europe, North America, Latin America, and Asia, in Italian, English, French, German, Spanish, Portuguese, Russian, and Czech.His "Annual Cardinal Joseph Bernardin Lecture" held at the University of South Carolina on October 7, 2013 and published in "America Magazine" on February 24, 2014 issue, focusing on the relationship between Catholics and politics, sparked a debate with Catholic moral theologians such as William Cavanaugh and Michael Baxter.Since November 2014 he is columnist for La Croix International (formerly Global Pulse Magazine).