www.liberty.edu/convo On April 17, 2013 at Convocation, North America's largest weekly gathering of Christian students, Jack Graham presented his personal experience with God and defended Christianity. He explained how the historicity of Jesus, scriptural proof in the Bible, and spiritual and personal experiences are the reasons behind why he believes in Jesus. Jack Graham is the pastor of Prestonwood Baptist Church in Plano, Texas. He is also a former president of the Southern Baptist Convention and a former member of Liberty's Board of Trustees. www.liberty.edu/spirituallife/index.cfm?PID=2586