On the eve of his crucifixion it seemed like Jesus' influence on the world had ended. On the contrary, it had just begun. In this five-session video-based study, pastor and bestselling author John Ortberg reveals how Jesus and Christianity came to make an inescapable influence on our world, and how you as a Christian can make an inescapable influence too. Approx. 90 minutes total. Designed for use with the Who Is This Man? Study Guide.