 Jesus said John was the greatest man who ever lived, and he had doubts. Think about that. John the Baptist, filled with the Spirit from his mother's womb, and he knew all the reports of Jesus' miracles. Yet, on an occasion, he needed to be reassured that Jesus was even the Messiah. So what caused John the Baptist to doubt? And what encouragement can you find when you're tempted to doubt who Jesus is or what he accomplished or...