One of the most controversial TV projects of the last decade is now firmly dead, it appears. In the middle of the run of Game of Thrones, it was announced that the smash-hit series’ showrunners David Benioff and D.B. Weiss were busy developing their next HBO show: Confederate. The alternative history sci-fi series would imagine a world in which the North never definitively won the Civil War, and slavery still exists in the modern era as an institution in the South. Immediately the mere idea of this series was met with backlash. After all, the ramifications of …