"For the weapons of our warfare are not of flesh but have divine power to destroy strong-holds. We destroy arguments and every lofty opinion raised against the knowledge of God, and take every thought captive to obey Christ" (2 Corinthians 10:4-5). Life in Western civilization is rapidly changing. In such a cultural landscape, it can be overwhelming for Christians to find the bearings. How should they think about same-sex "marriage"? Or transgenderism...