Mark Elfstrand talks with the President of Wheaton College, Phil Ryken, about his new book, "Why Everything Matters: The Gospel in Ecclesiastes." Pastor Dan Delzell joins Frank Sontag to explain anew what God has done for us by sending his Son. Max McLean talks about C.S. Lewis's "The Great Divorce" with Don Kroah. Apologist Ravi Zacharias explains how we find truth in Christ. Pastor Alistair Begg shares thoughts on what he calls the "great exchange" in his sermon "After Darkness, Light."