Up From the Ice Age

tific theories," he writes, "do not causenpeople to commit murder. Nonetheless,nall ideas can be used to justify hatred.nBut here, religious and egalitarian ideasnhave just as bad a history. The Reign ofnTerror following the French Revolutionn(1789) and the 70 years of communistndictatorship following the Russian Revolutionn(1917) show . . .