“The part that most intrigues me [about the Christmas story] is just Joseph's willingness to go along with this plan. He's engaged to this woman who ends up being pregnant and he doesn't want to shame her, he doesn't want to bring shame to her or to his family or her family. He plans to divorce her quietly. But then just having an angelic visitation come to him and say, ‘No, this is from the Lord’ …”