Bestselling Christian Author, Activist, And Scholar Tony Campolo And His Son Bart, An Avowed Humanist, Debate Their Spiritual Differences And Explore Similarities Involving Faith, Belief, And Hope That They Share.over A Thanksgiving Dinner, Fifty-year-old Bart Campolo Announced To His Evangelical Pastor Father, Tony Campolo, That After A Lifetime Immersed In The Christian Faith, He No Longer Believed In God. The Revelation Shook The Campolo Family Dynamic And Forced Father And Son To Each Reconsider His Own Personal Journey Of Faithdual Spiritual Investigations Into Theology, Faith, And Humanism That Eventually Led Bart And Tony Back To One Another. In Why I Left, Why I Stayed, The Campolos Reflect On Their Individual Spiritual Odysseys And How They Evolved When Their Paths Diverged.