Two years ago, July 29, 2010, former Speaker of the House Newt Gingrich delivered a singularly astute and courageous address. Reactions to that speech across the political spectrum, whether immediate or delayed, illustrated the contemporary equivalent of what the greatest historian of Soviet Communist totalitarianism, Robert Conquest, appositely characterized as "mindslaughter" -- a brilliantly evocative term for delusive Western apologetics regarding the ideology of Communism and the tangible horrors its Communist votaries inflicted. What did Newt Gingrich have the temerity to discuss? In defiance of our era's most rigidly enforced cultural relativist taboo, Mr. Gingrich provided an irrefragably accurate if...