The great British biologist J.B.S Haldane counted monotheism's creation of fanaticism as one of the most important inventions of the last 5,000 years. Call it love of God or love of group, it matters little in the end. Modern civilizations spin the potter's wheel of monotheism to manufacture the greatest cause of all, humanity. Before missionary monotheism, people did not consider that all others could be pigeonholed into one kind. The salvation of humanity is a cause as stimulating as it is impossible to achieve. Nevertheless, all modern missionary "-isms," whether religious or in their secular post-Enlightenment guise, preach devotion unto death for the sake of humanity, including allowance for mass killing for the mass good. "The imagina...