BISHOP ROBERT BARRON is the founder ofWord on Fire Catholic Ministriesand Auxiliary Bishop of the Archdiocese of Los Angeles. He is alsothe host ofCATHOLICISM, a groundbreaking, award-winning documentary about the Catholic Faith, which aired on PBS. Bishop Barron is a #1 Amazon bestselling author and has published numerous books, essays, and articles on theology and the spiritual life.He is a religion correspondent for NBC and has also appeared on FOX News, CNN, and EWTN. Bishop Barron's website,WordOnFire.org, reaches millions of people each year, and heis one of the most-followed Catholics on social media.His regularYouTube videoshave been viewed over 20 million times and he has over 1.4 million followers on Facebook. Bishop Barron'spioneering work in evangelizing through the new media led Francis Cardinal George to describe him as "one of the Church's best messengers." He has keynoted many conferences and events all over the world, including the 2016 World Youth Day in Krak w, Poland and the 2015 World Meeting of Families in Philadelphia, which marked Pope Francis' historic visit to the United States. Bishop Barron's latest film series and study program,CATHOLICISM- The Pivotal Players, debuted in September 2016 and has been syndicated for national television. JOHN L. ALLEN, JR., is the editor of Crux, specializing in coverage of the Vatican and the Catholic Church and the author of a number of books on religion, including most recently The Global War on Christians.