TULLIAN TCHIVIDJIAN In preparation for writing this foreword, I reread the opening lines of Michael Horton’s book Christless Christianity. He writes: What would things look like if Satan really took control of a city? Over half a century ago, Presbyterian minister Donald Grey Barnhouse offered his own scenario in his weekly sermon that was also broadcast nationwide on CBS radio. Barnhouse speculated that if Satan took over Philadelphia (the city where Barnhouse pastored), all of the bars