Which kills more: ideology or religion? Andrew Kenny The sun set on the 20th century more than four years ago but you can still see a blood-red glow on the horizon. The century that saw unprecedented technological progress also saw unprecedented slaughter. Previously, religion had served mankind’s deep needs for explanation, order, spiritual comfort and transcendental meaning. Now a new and hideous thing was summoned up to serve the same needs. The thing was ideology, and in a few decades it caused more bloodshed than millennia of religion. It was darker and more irrational, and contained within it something unknown...