Os Guinness has given the world a lot to think about over the years. And boy, is it a good thing he has. In an era when logic is no longer a central component of argument, we are awash in a sea of half-truths and outright falsehoods. And we’re not just talking about the secular world, either. Today, Os finishes up his discussion with Bram, and doesn’t shy away from answering some truly difficult questions on some of the biggest threats facing people of faith, civil society and truth, itself. And like always, Os makes the journey a delight…